msrc_cve-2025-53736
Vulnerability from csaf_microsoft
Published
2025-08-12 07:00
Modified
2025-08-12 07:00
Summary
Microsoft Word Information Disclosure Vulnerability

Notes

Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
Customer Action
Required. The vulnerability documented by this CVE requires customer action to resolve.


To clipboard 

{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "\u003ca href=\"https://twitter.com/edwardzpeng\"\u003ewh1tc in Kunlun lab, devoke, Zhiniang Peng\u003c/a\u003e with HUST"
        ]
      },
      {
        "names": [
          "\u003ca href=\"https://twitter.com/edwardzpeng\"\u003ewh1tc in Kunlun lab, devoke, Zhiniang Peng\u003c/a\u003e with HUST"
        ]
      }
    ],
    "aggregate_severity": {
      "namespace": "https://www.microsoft.com/en-us/msrc/security-update-severity-rating-system",
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      },
      {
        "category": "general",
        "text": "Required. The vulnerability documented by this CVE requires customer action to resolve.",
        "title": "Customer Action"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2025-53736 Microsoft Word Information Disclosure Vulnerability - HTML",
        "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53736"
      },
      {
        "category": "self",
        "summary": "CVE-2025-53736 Microsoft Word Information Disclosure Vulnerability - CSAF",
        "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-53736.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Exploitability Index",
        "url": "https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "Microsoft Word Information Disclosure Vulnerability",
    "tracking": {
      "current_release_date": "2025-08-12T07:00:00.000Z",
      "generator": {
        "date": "2025-08-15T20:32:07.554Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2025-53736",
      "initial_release_date": "2025-08-12T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2025-08-12T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c16.0.5513.1002",
            "product": {
              "name": "Microsoft SharePoint Enterprise Server 2016 \u003c16.0.5513.1002",
              "product_id": "12"
            }
          },
          {
            "category": "product_version",
            "name": "16.0.5513.1002",
            "product": {
              "name": "Microsoft SharePoint Enterprise Server 2016 16.0.5513.1002",
              "product_id": "10950"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft SharePoint Enterprise Server 2016"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c16.0.10417.20041",
            "product": {
              "name": "Microsoft SharePoint Server 2019 \u003c16.0.10417.20041",
              "product_id": "9"
            }
          },
          {
            "category": "product_version",
            "name": "16.0.10417.20041",
            "product": {
              "name": "Microsoft SharePoint Server 2019 16.0.10417.20041",
              "product_id": "11585"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft SharePoint Server 2019"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003chttps://aka.ms/OfficeSecurityReleases",
            "product": {
              "name": "Microsoft Office 2019 for 32-bit editions \u003chttps://aka.ms/OfficeSecurityReleases",
              "product_id": "11"
            }
          },
          {
            "category": "product_version",
            "name": "https://aka.ms/OfficeSecurityReleases",
            "product": {
              "name": "Microsoft Office 2019 for 32-bit editions https://aka.ms/OfficeSecurityReleases",
              "product_id": "11573"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Office 2019 for 32-bit editions"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003chttps://aka.ms/OfficeSecurityReleases",
            "product": {
              "name": "Microsoft Office 2019 for 64-bit editions \u003chttps://aka.ms/OfficeSecurityReleases",
              "product_id": "10"
            }
          },
          {
            "category": "product_version",
            "name": "https://aka.ms/OfficeSecurityReleases",
            "product": {
              "name": "Microsoft Office 2019 for 64-bit editions https://aka.ms/OfficeSecurityReleases",
              "product_id": "11574"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Office 2019 for 64-bit editions"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003chttps://aka.ms/OfficeSecurityReleases",
            "product": {
              "name": "Microsoft 365 Apps for Enterprise for 32-bit Systems \u003chttps://aka.ms/OfficeSecurityReleases",
              "product_id": "8"
            }
          },
          {
            "category": "product_version",
            "name": "https://aka.ms/OfficeSecurityReleases",
            "product": {
              "name": "Microsoft 365 Apps for Enterprise for 32-bit Systems https://aka.ms/OfficeSecurityReleases",
              "product_id": "11762"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft 365 Apps for Enterprise for 32-bit Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003chttps://aka.ms/OfficeSecurityReleases",
            "product": {
              "name": "Microsoft 365 Apps for Enterprise for 64-bit Systems \u003chttps://aka.ms/OfficeSecurityReleases",
              "product_id": "7"
            }
          },
          {
            "category": "product_version",
            "name": "https://aka.ms/OfficeSecurityReleases",
            "product": {
              "name": "Microsoft 365 Apps for Enterprise for 64-bit Systems https://aka.ms/OfficeSecurityReleases",
              "product_id": "11763"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft 365 Apps for Enterprise for 64-bit Systems"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c16.100.25081015",
            "product": {
              "name": "Microsoft Office LTSC for Mac 2021 \u003c16.100.25081015",
              "product_id": "6"
            }
          },
          {
            "category": "product_version",
            "name": "16.100.25081015",
            "product": {
              "name": "Microsoft Office LTSC for Mac 2021 16.100.25081015",
              "product_id": "11951"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Office LTSC for Mac 2021"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003chttps://aka.ms/OfficeSecurityReleases",
            "product": {
              "name": "Microsoft Office LTSC 2021 for 64-bit editions \u003chttps://aka.ms/OfficeSecurityReleases",
              "product_id": "5"
            }
          },
          {
            "category": "product_version",
            "name": "https://aka.ms/OfficeSecurityReleases",
            "product": {
              "name": "Microsoft Office LTSC 2021 for 64-bit editions https://aka.ms/OfficeSecurityReleases",
              "product_id": "11952"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Office LTSC 2021 for 64-bit editions"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003chttps://aka.ms/OfficeSecurityReleases",
            "product": {
              "name": "Microsoft Office LTSC 2021 for 32-bit editions \u003chttps://aka.ms/OfficeSecurityReleases",
              "product_id": "4"
            }
          },
          {
            "category": "product_version",
            "name": "https://aka.ms/OfficeSecurityReleases",
            "product": {
              "name": "Microsoft Office LTSC 2021 for 32-bit editions https://aka.ms/OfficeSecurityReleases",
              "product_id": "11953"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Office LTSC 2021 for 32-bit editions"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003chttps://aka.ms/OfficeSecurityReleases",
            "product": {
              "name": "Microsoft Office LTSC 2024 for 32-bit editions \u003chttps://aka.ms/OfficeSecurityReleases",
              "product_id": "3"
            }
          },
          {
            "category": "product_version",
            "name": "https://aka.ms/OfficeSecurityReleases",
            "product": {
              "name": "Microsoft Office LTSC 2024 for 32-bit editions https://aka.ms/OfficeSecurityReleases",
              "product_id": "12420"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Office LTSC 2024 for 32-bit editions"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003chttps://aka.ms/OfficeSecurityReleases",
            "product": {
              "name": "Microsoft Office LTSC 2024 for 64-bit editions \u003chttps://aka.ms/OfficeSecurityReleases",
              "product_id": "2"
            }
          },
          {
            "category": "product_version",
            "name": "https://aka.ms/OfficeSecurityReleases",
            "product": {
              "name": "Microsoft Office LTSC 2024 for 64-bit editions https://aka.ms/OfficeSecurityReleases",
              "product_id": "12421"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Office LTSC 2024 for 64-bit editions"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c16.100.25081015",
            "product": {
              "name": "Microsoft Office LTSC for Mac 2024 \u003c16.100.25081015",
              "product_id": "1"
            }
          },
          {
            "category": "product_version",
            "name": "16.100.25081015",
            "product": {
              "name": "Microsoft Office LTSC for Mac 2024 16.100.25081015",
              "product_id": "12440"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Office LTSC for Mac 2024"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c16.0.5513.1000",
            "product": {
              "name": "Microsoft Word 2016 (32-bit edition) \u003c16.0.5513.1000",
              "product_id": "14"
            }
          },
          {
            "category": "product_version",
            "name": "16.0.5513.1000",
            "product": {
              "name": "Microsoft Word 2016 (32-bit edition) 16.0.5513.1000",
              "product_id": "10746"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Word 2016 (32-bit edition)"
      },
      {
        "branches": [
          {
            "category": "product_version_range",
            "name": "\u003c16.0.5513.1000",
            "product": {
              "name": "Microsoft Word 2016 (64-bit edition) \u003c16.0.5513.1000",
              "product_id": "13"
            }
          },
          {
            "category": "product_version",
            "name": "16.0.5513.1000",
            "product": {
              "name": "Microsoft Word 2016 (64-bit edition) 16.0.5513.1000",
              "product_id": "10747"
            }
          }
        ],
        "category": "product_name",
        "name": "Microsoft Word 2016 (64-bit edition)"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-53736",
      "cwe": {
        "id": "CWE-126",
        "name": "Buffer Over-read"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        },
        {
          "category": "faq",
          "text": "An attacker who successfully exploited this vulnerability could potentially read small portions of heap memory.",
          "title": "What type of information could be disclosed by this vulnerability?"
        },
        {
          "category": "faq",
          "text": "No, the Preview Pane is not an attack vector.",
          "title": "Is the Preview Pane an attack vector for this vulnerability?"
        },
        {
          "category": "faq",
          "text": "Yes. Customers should apply all updates offered for the software installed on their systems. If multiple updates apply, they can be installed in any order.",
          "title": "There are multiple update packages available for some of the affected software. Do I need to install all the updates listed in the Security Updates table for the software?"
        }
      ],
      "product_status": {
        "fixed": [
          "10746",
          "10747",
          "10950",
          "11573",
          "11574",
          "11585",
          "11762",
          "11763",
          "11951",
          "11952",
          "11953",
          "12420",
          "12421",
          "12440"
        ],
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11",
          "12",
          "13",
          "14"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2025-53736 Microsoft Word Information Disclosure Vulnerability - HTML",
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53736"
        },
        {
          "category": "self",
          "summary": "CVE-2025-53736 Microsoft Word Information Disclosure Vulnerability - CSAF",
          "url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-53736.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-08-12T07:00:00.000Z",
          "details": "16.0.5513.1002:Security Update:https://support.microsoft.com/help/5002771",
          "product_ids": [
            "12"
          ],
          "url": "https://support.microsoft.com/help/5002771"
        },
        {
          "category": "vendor_fix",
          "date": "2025-08-12T07:00:00.000Z",
          "details": "16.0.5513.1002:Security Update:https://support.microsoft.com/help/5002772",
          "product_ids": [
            "12"
          ],
          "url": "https://support.microsoft.com/help/5002772"
        },
        {
          "category": "vendor_fix",
          "date": "2025-08-12T07:00:00.000Z",
          "details": "16.0.10417.20041:Security Update:https://support.microsoft.com/help/5002769",
          "product_ids": [
            "9"
          ],
          "url": "https://support.microsoft.com/help/5002769"
        },
        {
          "category": "vendor_fix",
          "date": "2025-08-12T07:00:00.000Z",
          "details": "16.0.10417.20041:Security Update:https://support.microsoft.com/help/5002770",
          "product_ids": [
            "9"
          ],
          "url": "https://support.microsoft.com/help/5002770"
        },
        {
          "category": "vendor_fix",
          "date": "2025-08-12T07:00:00.000Z",
          "details": "https://aka.ms/OfficeSecurityReleases:Security Update:https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates",
          "product_ids": [
            "11",
            "10",
            "8",
            "7",
            "5",
            "4",
            "3",
            "2"
          ],
          "url": "https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates"
        },
        {
          "category": "vendor_fix",
          "date": "2025-08-12T07:00:00.000Z",
          "details": "16.100.25081015:Security Update:https://go.microsoft.com/fwlink/p/?linkid=831049",
          "product_ids": [
            "6",
            "1"
          ],
          "url": "https://go.microsoft.com/fwlink/p/?linkid=831049"
        },
        {
          "category": "vendor_fix",
          "date": "2025-08-12T07:00:00.000Z",
          "details": "16.0.5513.1000:Security Update:https://support.microsoft.com/help/5002763",
          "product_ids": [
            "14",
            "13"
          ],
          "url": "https://support.microsoft.com/help/5002763"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "environmentalsScore": 0.0,
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 5.9,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Information Disclosure"
        },
        {
          "category": "exploit_status",
          "details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
        }
      ],
      "title": "Microsoft Word Information Disclosure Vulnerability"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.