msrc_cve-2025-27487
Vulnerability from csaf_microsoft
Published
2025-04-08 07:00
Modified
2025-04-09 07:00
Summary
Remote Desktop Client Remote Code Execution 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.
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"name": "Windows Server 2012 (Server Core installation) 6.2.9200.25423",
"product_id": "10379"
}
}
],
"category": "product_name",
"name": "Windows Server 2012 (Server Core installation)"
},
{
"branches": [
{
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"name": "\u003c6.3.9600.22523",
"product": {
"name": "Windows Server 2012 R2 \u003c6.3.9600.22523",
"product_id": "31"
}
},
{
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"name": "6.3.9600.22523",
"product": {
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"product_id": "10483"
}
}
],
"category": "product_name",
"name": "Windows Server 2012 R2"
},
{
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{
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"name": "\u003c6.3.9600.22523",
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}
},
{
"category": "product_version",
"name": "6.3.9600.22523",
"product": {
"name": "Windows Server 2012 R2 (Server Core installation) 6.3.9600.22523",
"product_id": "10543"
}
}
],
"category": "product_name",
"name": "Windows Server 2012 R2 (Server Core installation)"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2025-27487",
"cwe": {
"id": "CWE-122",
"name": "Heap-based Buffer Overflow"
},
"notes": [
{
"category": "general",
"text": "Microsoft",
"title": "Assigning CNA"
},
{
"category": "faq",
"text": "Exploitation of this vulnerability requires a user to remote into a server that is controlled by an attacker, which could then allow the server to execute a command on the user\u0027s machine without their consent. This scenario assumes that the user has the ability to remote into the server and that the server has been compromised to execute such commands upon connection.",
"title": "According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?"
},
{
"category": "faq",
"text": "In the case of a Remote Desktop connection, an attacker with control of a Remote Desktop Server could trigger a remote code execution (RCE) on the machine when a victim connects to the attacking server with the vulnerable Remote Desktop Client.",
"title": "How could an attacker exploit this vulnerability?"
},
{
"category": "faq",
"text": "Yes. As of April 9, 2025, the security update (5055547) for Windows 10 for x64-based Systems and Windows 10 for 32-bit Systems are available. Customers running Windows 10 should ensure the update is installed to be protected from this vulnerability.",
"title": "Are the updates for Windows 10 for x64-based Systems and Windows 10 for 32-bit Systems currently available?"
},
{
"category": "faq",
"text": "Any authenticated attacker could trigger this vulnerability. It does not require admin or other elevated privileges.",
"title": "According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?"
}
],
"product_status": {
"fixed": [
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"10051",
"10378",
"10379",
"10483",
"10543",
"10729",
"10735",
"10816",
"10852",
"10853",
"10855",
"11568",
"11569",
"11571",
"11572",
"11849",
"11923",
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"11929",
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"12099",
"12242",
"12243",
"12244",
"12389",
"12390",
"12436",
"12437",
"12457"
],
"known_affected": [
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
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]
},
"references": [
{
"category": "self",
"summary": "CVE-2025-27487 Remote Desktop Client Remote Code Execution Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27487"
},
{
"category": "self",
"summary": "CVE-2025-27487 Remote Desktop Client Remote Code Execution Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-27487.json"
}
],
"remediations": [
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "2.0.379.0:Security Update:https://learn.microsoft.com/en-us/windows-app/whats-new?toc=admins%2Ftoc.json\u0026tabs=windows",
"product_ids": [
"1"
],
"url": "https://learn.microsoft.com/en-us/windows-app/whats-new?toc=admins%2Ftoc.json\u0026tabs=windows"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "10.0.17763.7136:Security Update:https://support.microsoft.com/help/5055519",
"product_ids": [
"23",
"22",
"21",
"20"
],
"url": "https://support.microsoft.com/help/5055519"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "1.2.6081.0:Security Update:https://learn.microsoft.com/en-us/azure/virtual-desktop/whats-new-client-windows#updates-for-version-1260810",
"product_ids": [
"19"
],
"url": "https://learn.microsoft.com/en-us/azure/virtual-desktop/whats-new-client-windows#updates-for-version-1260810"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "10.0.20348.3453:Security Update:https://support.microsoft.com/help/5055526",
"product_ids": [
"18",
"17"
],
"url": "https://support.microsoft.com/help/5055526"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "10.0.19044.5737:Security Update:https://support.microsoft.com/help/5055518",
"product_ids": [
"16",
"15",
"14"
],
"url": "https://support.microsoft.com/help/5055518"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "10.0.22621.5189:Security Update:https://support.microsoft.com/help/5055528",
"product_ids": [
"13",
"12"
],
"url": "https://support.microsoft.com/help/5055528"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "10.0.19045.5737:Security Update:https://support.microsoft.com/help/5055518",
"product_ids": [
"11",
"10",
"9"
],
"url": "https://support.microsoft.com/help/5055518"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "10.0.26100.3775:Security Update:https://support.microsoft.com/help/5055523",
"product_ids": [
"2",
"5",
"4",
"3"
],
"url": "https://support.microsoft.com/help/5055523"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "10.0.22631.5189:Security Update:https://support.microsoft.com/help/5055528",
"product_ids": [
"8",
"7"
],
"url": "https://support.microsoft.com/help/5055528"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "10.0.25398.1551:Security Update:https://support.microsoft.com/help/5055527",
"product_ids": [
"6"
],
"url": "https://support.microsoft.com/help/5055527"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "10.0.10240.20978:Security Update:https://support.microsoft.com/help/5055547",
"product_ids": [
"29",
"28"
],
"url": "https://support.microsoft.com/help/5055547"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "10.0.14393.7969:Security Update:https://support.microsoft.com/help/5055521",
"product_ids": [
"26",
"25",
"27",
"24"
],
"url": "https://support.microsoft.com/help/5055521"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "6.1.7601.27670:Monthly Rollup:https://support.microsoft.com/help/5055561",
"product_ids": [
"34",
"35"
],
"url": "https://support.microsoft.com/help/5055561"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "6.1.7601.27670:Security Only:https://support.microsoft.com/help/5055570",
"product_ids": [
"34",
"35"
],
"url": "https://support.microsoft.com/help/5055570"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "6.2.9200.25423:Monthly Rollup:https://support.microsoft.com/help/5055581",
"product_ids": [
"33",
"32"
],
"url": "https://support.microsoft.com/help/5055581"
},
{
"category": "vendor_fix",
"date": "2025-04-08T07:00:00.000Z",
"details": "6.3.9600.22523:Monthly Rollup:https://support.microsoft.com/help/5055557",
"product_ids": [
"31",
"30"
],
"url": "https://support.microsoft.com/help/5055557"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"environmentalsScore": 0.0,
"exploitCodeMaturity": "UNPROVEN",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 7.0,
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/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",
"15",
"16",
"17",
"18",
"19",
"20",
"21",
"22",
"23",
"24",
"25",
"26",
"27",
"28",
"29",
"30",
"31",
"32",
"33",
"34",
"35"
]
}
],
"threats": [
{
"category": "impact",
"details": "Remote Code Execution"
},
{
"category": "exploit_status",
"details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely"
}
],
"title": "Remote Desktop Client Remote Code Execution Vulnerability"
}
]
}
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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.
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