CVE-2025-21277: CWE-126: Buffer Over-read in Microsoft Windows 10 Version 1507
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
AI Analysis
Technical Summary
This vulnerability (CWE-126) involves a buffer over-read in Microsoft Message Queuing (MSMQ) on Windows 10 Version 1507 (build 10.0.10240.0). Exploitation can result in denial of service (DoS) without requiring user interaction or privileges. The CVSS 3.1 base score is 7.5, indicating high severity. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation leads to denial of service (DoS) affecting system availability. There is no impact on confidentiality or integrity. No known exploits are currently in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21277 to remediate this vulnerability.
CVE-2025-21277: CWE-126: Buffer Over-read in Microsoft Windows 10 Version 1507
Description
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-126) involves a buffer over-read in Microsoft Message Queuing (MSMQ) on Windows 10 Version 1507 (build 10.0.10240.0). Exploitation can result in denial of service (DoS) without requiring user interaction or privileges. The CVSS 3.1 base score is 7.5, indicating high severity. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation leads to denial of service (DoS) affecting system availability. There is no impact on confidentiality or integrity. No known exploits are currently in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21277 to remediate this vulnerability.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-12-10T23:54:12.938Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21277","vendor":"Microsoft"}]
Threat ID: 68c0bd4f9ed239a66badeb26
Added to database: 09/09/2025, 23:50:39 UTC
Last enriched: 06/10/2026, 09:48:35 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 106
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