CVE-2025-21294: CWE-591: Sensitive Data Storage in Improperly Locked Memory in Microsoft Windows 10 Version 1507
Microsoft Digest Authentication Remote Code Execution Vulnerability
AI Analysis
Technical Summary
This vulnerability, tracked as CVE-2025-21294 and classified under CWE-591, affects Microsoft Windows 10 Version 1507 (build 10.0.10240.0). It involves sensitive data being stored in memory that is not properly locked, specifically in the context of Microsoft Digest Authentication, which can lead to remote code execution. The CVSS v3.1 base score is 8.1, indicating high severity, with network attack vector, high attack complexity, no privileges or user interaction required, and impacts confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation can lead to remote code execution without requiring privileges or user interaction, compromising system confidentiality, integrity, and availability. This poses a significant risk to affected Windows 10 Version 1507 systems if unpatched.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21294 to remediate this vulnerability.
CVE-2025-21294: CWE-591: Sensitive Data Storage in Improperly Locked Memory in Microsoft Windows 10 Version 1507
Description
Microsoft Digest Authentication Remote Code Execution Vulnerability
CVSS v3.1
Score 8.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, tracked as CVE-2025-21294 and classified under CWE-591, affects Microsoft Windows 10 Version 1507 (build 10.0.10240.0). It involves sensitive data being stored in memory that is not properly locked, specifically in the context of Microsoft Digest Authentication, which can lead to remote code execution. The CVSS v3.1 base score is 8.1, indicating high severity, with network attack vector, high attack complexity, no privileges or user interaction required, and impacts confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation can lead to remote code execution without requiring privileges or user interaction, compromising system confidentiality, integrity, and availability. This poses a significant risk to affected Windows 10 Version 1507 systems if unpatched.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21294 to remediate this vulnerability.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-12-10T23:54:12.946Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21294","vendor":"Microsoft"}]
Threat ID: 68c0bd509ed239a66badeb64
Added to database: 09/09/2025, 23:50:40 UTC
Last enriched: 06/10/2026, 09:50:42 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 144
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