CVE-2025-21263: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1507
Windows Digital Media Elevation of Privilege Vulnerability
AI Analysis
Technical Summary
This vulnerability (CVE-2025-21263) involves an out-of-bounds read (CWE-125) in Windows Digital Media on Microsoft Windows 10 Version 1507 (build 10.0.10240.0). The flaw could allow an attacker with limited privileges to elevate their privileges on the affected system. The CVSS 3.1 vector indicates the attack requires physical access (AV:P), low attack complexity (AC:L), low privileges (PR:L), no user interaction (UI:N), and results in high impact on confidentiality, integrity, and availability (C:H/I:H/A:H). Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with physical access and limited privileges to read memory out-of-bounds, potentially leading to elevation of privilege with full compromise of confidentiality, integrity, and availability on the affected system.
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 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21263 for patch details and installation instructions.
CVE-2025-21263: 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
This vulnerability (CVE-2025-21263) involves an out-of-bounds read (CWE-125) in Windows Digital Media on Microsoft Windows 10 Version 1507 (build 10.0.10240.0). The flaw could allow an attacker with limited privileges to elevate their privileges on the affected system. The CVSS 3.1 vector indicates the attack requires physical access (AV:P), low attack complexity (AC:L), low privileges (PR:L), no user interaction (UI:N), and results in high impact on confidentiality, integrity, and availability (C:H/I:H/A:H). Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with physical access and limited privileges to read memory out-of-bounds, potentially leading to elevation of privilege with full compromise of confidentiality, integrity, and availability on the affected system.
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 to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21263 for patch details and installation instructions.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-12-10T23:54:12.935Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21263","vendor":"Microsoft"}]
Threat ID: 68c0bd4f9ed239a66badeaf2
Added to database: 09/09/2025, 23:50:39 UTC
Last enriched: 06/10/2026, 09:47:24 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 123
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