msrc_cve-2025-49666
Vulnerability from csaf_microsoft
Published
2025-07-08 07:00
Modified
2025-07-08 07:00
Summary
Windows Server Setup and Boot Event Collection 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.
{
"document": {
"acknowledgments": [
{
"names": [
"Anonymous"
]
}
],
"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-2025-49666 Windows Server Setup and Boot Event Collection Remote Code Execution Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49666"
},
{
"category": "self",
"summary": "CVE-2025-49666 Windows Server Setup and Boot Event Collection Remote Code Execution Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-49666.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": "Windows Server Setup and Boot Event Collection Remote Code Execution Vulnerability",
"tracking": {
"current_release_date": "2025-07-08T07:00:00.000Z",
"generator": {
"date": "2025-08-18T17:50:23.527Z",
"engine": {
"name": "MSRC Generator",
"version": "1.0"
}
},
"id": "msrc_CVE-2025-49666",
"initial_release_date": "2025-07-08T07:00:00.000Z",
"revision_history": [
{
"date": "2025-07-08T07:00:00.000Z",
"legacy_version": "1",
"number": "1",
"summary": "Information published."
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.17763.7558",
"product": {
"name": "Windows Server 2019 \u003c10.0.17763.7558",
"product_id": "7"
}
},
{
"category": "product_version",
"name": "10.0.17763.7558",
"product": {
"name": "Windows Server 2019 10.0.17763.7558",
"product_id": "11571"
}
}
],
"category": "product_name",
"name": "Windows Server 2019"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.17763.7558",
"product": {
"name": "Windows Server 2019 (Server Core installation) \u003c10.0.17763.7558",
"product_id": "6"
}
},
{
"category": "product_version",
"name": "10.0.17763.7558",
"product": {
"name": "Windows Server 2019 (Server Core installation) 10.0.17763.7558",
"product_id": "11572"
}
}
],
"category": "product_name",
"name": "Windows Server 2019 (Server Core installation)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.20348.3932",
"product": {
"name": "Windows Server 2022 \u003c10.0.20348.3932",
"product_id": "5"
}
},
{
"category": "product_version",
"name": "10.0.20348.3932",
"product": {
"name": "Windows Server 2022 10.0.20348.3932",
"product_id": "11923"
}
}
],
"category": "product_name",
"name": "Windows Server 2022"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.20348.3932",
"product": {
"name": "Windows Server 2022 (Server Core installation) \u003c10.0.20348.3932",
"product_id": "4"
}
},
{
"category": "product_version",
"name": "10.0.20348.3932",
"product": {
"name": "Windows Server 2022 (Server Core installation) 10.0.20348.3932",
"product_id": "11924"
}
}
],
"category": "product_name",
"name": "Windows Server 2022 (Server Core installation)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.26100.4652",
"product": {
"name": "Windows Server 2025 (Server Core installation) \u003c10.0.26100.4652",
"product_id": "1"
}
},
{
"category": "product_version",
"name": "10.0.26100.4652",
"product": {
"name": "Windows Server 2025 (Server Core installation) 10.0.26100.4652",
"product_id": "12437"
}
}
],
"category": "product_name",
"name": "Windows Server 2025 (Server Core installation)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.25398.1732",
"product": {
"name": "Windows Server 2022, 23H2 Edition (Server Core installation) \u003c10.0.25398.1732",
"product_id": "3"
}
},
{
"category": "product_version",
"name": "10.0.25398.1732",
"product": {
"name": "Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1732",
"product_id": "12244"
}
}
],
"category": "product_name",
"name": "Windows Server 2022, 23H2 Edition (Server Core installation)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.26100.4652",
"product": {
"name": "Windows Server 2025 \u003c10.0.26100.4652",
"product_id": "2"
}
},
{
"category": "product_version",
"name": "10.0.26100.4652",
"product": {
"name": "Windows Server 2025 10.0.26100.4652",
"product_id": "12436"
}
}
],
"category": "product_name",
"name": "Windows Server 2025"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.14393.8246",
"product": {
"name": "Windows Server 2016 \u003c10.0.14393.8246",
"product_id": "9"
}
},
{
"category": "product_version",
"name": "10.0.14393.8246",
"product": {
"name": "Windows Server 2016 10.0.14393.8246",
"product_id": "10816"
}
}
],
"category": "product_name",
"name": "Windows Server 2016"
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c10.0.14393.8246",
"product": {
"name": "Windows Server 2016 (Server Core installation) \u003c10.0.14393.8246",
"product_id": "8"
}
},
{
"category": "product_version",
"name": "10.0.14393.8246",
"product": {
"name": "Windows Server 2016 (Server Core installation) 10.0.14393.8246",
"product_id": "10855"
}
}
],
"category": "product_name",
"name": "Windows Server 2016 (Server Core installation)"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2025-49666",
"cwe": {
"id": "CWE-122",
"name": "Heap-based Buffer Overflow"
},
"notes": [
{
"category": "general",
"text": "Microsoft",
"title": "Assigning CNA"
},
{
"category": "faq",
"text": "To successfully exploit this vulnerability, an attacker or the targeted user would need to achieve a high level of control over a machine, as the attack requires access to processes typically restricted from average users.\nEssentially, the exploitation necessitates elevated privileges on the compromised machine due to the requirement of manipulating processes beyond the reach of standard user permissions.",
"title": "According to the CVSS metric, privileges required is high (PR:H). What does that mean for this vulnerability?"
}
],
"product_status": {
"fixed": [
"10816",
"10855",
"11571",
"11572",
"11923",
"11924",
"12244",
"12436",
"12437"
],
"known_affected": [
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9"
]
},
"references": [
{
"category": "self",
"summary": "CVE-2025-49666 Windows Server Setup and Boot Event Collection Remote Code Execution Vulnerability - HTML",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49666"
},
{
"category": "self",
"summary": "CVE-2025-49666 Windows Server Setup and Boot Event Collection Remote Code Execution Vulnerability - CSAF",
"url": "https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-49666.json"
}
],
"remediations": [
{
"category": "vendor_fix",
"date": "2025-07-08T07:00:00.000Z",
"details": "10.0.17763.7558:Security Update:https://support.microsoft.com/help/5062557",
"product_ids": [
"7",
"6"
],
"url": "https://support.microsoft.com/help/5062557"
},
{
"category": "vendor_fix",
"date": "2025-07-08T07:00:00.000Z",
"details": "10.0.20348.3932:Security Update:https://support.microsoft.com/help/5062572",
"product_ids": [
"5",
"4"
],
"url": "https://support.microsoft.com/help/5062572"
},
{
"category": "vendor_fix",
"date": "2025-07-08T07:00:00.000Z",
"details": "10.0.26100.4652:Security Update:https://support.microsoft.com/help/5062553",
"product_ids": [
"1",
"2"
],
"url": "https://support.microsoft.com/help/5062553"
},
{
"category": "vendor_fix",
"date": "2025-07-08T07:00:00.000Z",
"details": "10.0.25398.1732:Security Update:https://support.microsoft.com/help/5062570",
"product_ids": [
"3"
],
"url": "https://support.microsoft.com/help/5062570"
},
{
"category": "vendor_fix",
"date": "2025-07-08T07:00:00.000Z",
"details": "10.0.14393.8246:Security Update:https://support.microsoft.com/help/5062560",
"product_ids": [
"9",
"8"
],
"url": "https://support.microsoft.com/help/5062560"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"environmentalsScore": 0.0,
"exploitCodeMaturity": "UNPROVEN",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"remediationLevel": "OFFICIAL_FIX",
"reportConfidence": "CONFIRMED",
"scope": "UNCHANGED",
"temporalScore": 6.3,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/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"
]
}
],
"threats": [
{
"category": "impact",
"details": "Remote Code Execution"
},
{
"category": "exploit_status",
"details": "Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Unlikely"
}
],
"title": "Windows Server Setup and Boot Event Collection Remote Code Execution Vulnerability"
}
]
}
Loading…
Loading…
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.
Loading…
Loading…