CVE-2025-21304: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Microsoft DWM Core Library Elevation of Privilege Vulnerability
AI Analysis
Technical Summary
This vulnerability involves a use-after-free flaw in the Microsoft DWM Core Library on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could lead to elevation of privilege, allowing an attacker with local access and low privileges to execute code with higher privileges. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official patch to address this issue.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with limited privileges to elevate their privileges on the affected Windows 10 Version 1607 system, potentially leading to full system compromise. The impact includes complete loss of confidentiality, integrity, and availability of the affected system.
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-2025-21304 to remediate this vulnerability.
CVE-2025-21304: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
Microsoft DWM Core Library Elevation of Privilege Vulnerability
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free flaw in the Microsoft DWM Core Library on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could lead to elevation of privilege, allowing an attacker with local access and low privileges to execute code with higher privileges. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official patch to address this issue.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with limited privileges to elevate their privileges on the affected Windows 10 Version 1607 system, potentially leading to full system compromise. The impact includes complete loss of confidentiality, integrity, and availability of the affected system.
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-2025-21304 to remediate this vulnerability.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-12-10T23:54:12.951Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21304","vendor":"Microsoft"}]
Threat ID: 68c0bd519ed239a66badeb92
Added to database: 09/09/2025, 23:50:41 UTC
Last enriched: 06/10/2026, 09:52:00 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 116
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.