CVE-2025-21317: CWE-532: Insertion of Sensitive Information into Log File in Microsoft Windows 10 Version 21H2
Windows Kernel Memory Information Disclosure Vulnerability
AI Analysis
Technical Summary
CVE-2025-21317 is a Windows Kernel Memory Information Disclosure vulnerability classified under CWE-532, which involves the insertion of sensitive information into log files. It affects Windows 10 Version 21H2 (build 10.0.19044.0). The vulnerability has a CVSS 3.1 base score of 5.5, indicating medium severity, with an attack vector requiring local access and low complexity. The vulnerability does not require user interaction and impacts confidentiality without affecting integrity or availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
The vulnerability allows local attackers with low privileges to gain access to sensitive kernel memory information through log files, potentially compromising confidentiality. There is no impact on system integrity or availability. No known exploits are reported in the wild at this time.
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-2025-21317 to remediate this vulnerability.
CVE-2025-21317: CWE-532: Insertion of Sensitive Information into Log File in Microsoft Windows 10 Version 21H2
Description
Windows Kernel Memory Information Disclosure Vulnerability
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-21317 is a Windows Kernel Memory Information Disclosure vulnerability classified under CWE-532, which involves the insertion of sensitive information into log files. It affects Windows 10 Version 21H2 (build 10.0.19044.0). The vulnerability has a CVSS 3.1 base score of 5.5, indicating medium severity, with an attack vector requiring local access and low complexity. The vulnerability does not require user interaction and impacts confidentiality without affecting integrity or availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
The vulnerability allows local attackers with low privileges to gain access to sensitive kernel memory information through log files, potentially compromising confidentiality. There is no impact on system integrity or availability. No known exploits are reported in the wild at this time.
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-2025-21317 to remediate this vulnerability.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-12-10T23:54:12.955Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21317","vendor":"Microsoft"}]
Threat ID: 68c0bd529ed239a66badebbd
Added to database: 09/09/2025, 23:50:42 UTC
Last enriched: 06/10/2026, 09:53:51 UTC
Last updated: 07/04/2026, 20:51:19 UTC
Views: 346
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