CVE-2025-21296: CWE-416: Use After Free in Microsoft Windows 10 Version 1507
BranchCache Remote Code Execution Vulnerability
AI Analysis
Technical Summary
CVE-2025-21296 is a use-after-free vulnerability (CWE-416) affecting Microsoft Windows 10 Version 1507 (build 10.0.10240.0). The flaw exists in the BranchCache component and could allow an attacker to remotely execute code with high impact on confidentiality, integrity, and availability. The vulnerability has a CVSS 3.1 base score of 7.5, indicating high severity. Microsoft has published an official fix for this vulnerability as detailed in their security update guide.
Potential Impact
Successful exploitation of this vulnerability could allow an unauthenticated remote attacker to execute arbitrary code on the affected system, potentially leading to full system compromise including confidentiality, integrity, and availability impacts.
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-2025-21296 to remediate this vulnerability.
CVE-2025-21296: CWE-416: Use After Free in Microsoft Windows 10 Version 1507
Description
BranchCache Remote Code Execution Vulnerability
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-21296 is a use-after-free vulnerability (CWE-416) affecting Microsoft Windows 10 Version 1507 (build 10.0.10240.0). The flaw exists in the BranchCache component and could allow an attacker to remotely execute code with high impact on confidentiality, integrity, and availability. The vulnerability has a CVSS 3.1 base score of 7.5, indicating high severity. Microsoft has published an official fix for this vulnerability as detailed in their security update guide.
Potential Impact
Successful exploitation of this vulnerability could allow an unauthenticated remote attacker to execute arbitrary code on the affected system, potentially leading to full system compromise including confidentiality, integrity, and availability impacts.
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-2025-21296 to remediate this vulnerability.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-12-10T23:54:12.948Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21296","vendor":"Microsoft"}]
Threat ID: 68c0bd509ed239a66badeb6a
Added to database: 09/09/2025, 23:50:40 UTC
Last enriched: 06/10/2026, 09:51:01 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 93
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