CVE-2025-21258: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1507
Windows Digital Media Elevation of Privilege Vulnerability
AI Analysis
Technical Summary
CVE-2025-21258 is a CWE-125 out-of-bounds read vulnerability affecting Windows Digital Media on Windows 10 Version 1507 (build 10.0.10240.0). The vulnerability could allow an attacker with low privileges and local access to elevate their privileges by exploiting improper memory access. The CVSS v3.1 base score is 6.6, indicating a medium severity. Microsoft has released an official fix for this vulnerability, as documented in their security update guide.
Potential Impact
Successful exploitation of this vulnerability could lead to elevation of privilege, allowing an attacker with limited access to gain higher privileges on the affected system. The confidentiality, integrity, and availability impacts are all rated high according to the CVSS vector. 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 for Windows 10 Version 1507 (build 10.0.10240.0) as soon as possible to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21258 for detailed patch information and deployment guidance.
CVE-2025-21258: 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-2025-21258 is a CWE-125 out-of-bounds read vulnerability affecting Windows Digital Media on Windows 10 Version 1507 (build 10.0.10240.0). The vulnerability could allow an attacker with low privileges and local access to elevate their privileges by exploiting improper memory access. The CVSS v3.1 base score is 6.6, indicating a medium severity. Microsoft has released an official fix for this vulnerability, as documented in their security update guide.
Potential Impact
Successful exploitation of this vulnerability could lead to elevation of privilege, allowing an attacker with limited access to gain higher privileges on the affected system. The confidentiality, integrity, and availability impacts are all rated high according to the CVSS vector. 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 for Windows 10 Version 1507 (build 10.0.10240.0) as soon as possible to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21258 for detailed patch information and deployment guidance.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-12-10T23:54:12.933Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21258","vendor":"Microsoft"}]
Threat ID: 68c0bd4f9ed239a66badeae9
Added to database: 09/09/2025, 23:50:39 UTC
Last enriched: 06/10/2026, 09:46:56 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 128
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