CVE-2025-21226: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1507
Windows Digital Media Elevation of Privilege Vulnerability
AI Analysis
Technical Summary
CVE-2025-21226 is a CWE-125 out-of-bounds read vulnerability affecting Windows Digital Media components in Microsoft Windows 10 Version 1507 (build 10.0.10240.0). The vulnerability could be exploited to elevate privileges on the affected system. Microsoft has published an official fix addressing this issue. The CVSS v3.1 base score is 6.6, indicating a medium severity level with high impact on confidentiality, integrity, and availability, requiring low privileges and no user interaction for exploitation.
Potential Impact
Successful exploitation of this vulnerability could lead to elevation of privilege, allowing an attacker with limited privileges to gain higher-level access. The CVSS score reflects high impact on confidentiality, integrity, and availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21226 to remediate this vulnerability.
CVE-2025-21226: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1507
Description
Windows Digital Media Elevation of Privilege Vulnerability
CVSS v3.1
Score 6.6medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-21226 is a CWE-125 out-of-bounds read vulnerability affecting Windows Digital Media components in Microsoft Windows 10 Version 1507 (build 10.0.10240.0). The vulnerability could be exploited to elevate privileges on the affected system. Microsoft has published an official fix addressing this issue. The CVSS v3.1 base score is 6.6, indicating a medium severity level with high impact on confidentiality, integrity, and availability, requiring low privileges and no user interaction for exploitation.
Potential Impact
Successful exploitation of this vulnerability could lead to elevation of privilege, allowing an attacker with limited privileges to gain higher-level access. The CVSS score reflects high impact on confidentiality, integrity, and availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21226 to remediate this vulnerability.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-12-10T23:54:12.918Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21226","vendor":"Microsoft"}]
Threat ID: 68c0bd4d9ed239a66badea83
Added to database: 09/09/2025, 23:50:37 UTC
Last enriched: 06/10/2026, 09:43:26 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 124
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