CVE-2026-25184: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 11 version 22H3
Concurrent execution using shared resource with improper synchronization ('race condition') in Applocker Filter Driver (applockerfltr.sys) allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a race condition (CWE-362) in the Applocker Filter Driver component of Windows 11 version 22H3 (build 10.0.22631.0). Improper synchronization during concurrent execution of shared resources enables an authorized local attacker to elevate privileges. Microsoft has published an official fix addressing this issue.
Potential Impact
An authorized local attacker can exploit this race condition to elevate their privileges on the affected system, potentially gaining higher-level access than intended. This could lead to full system compromise depending on the privileges gained.
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-2026-25184 to remediate this vulnerability.
CVE-2026-25184: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 11 version 22H3
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Applocker Filter Driver (applockerfltr.sys) allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.0high
Affected software
Microsoft
Windows 11 version 22H3
Microsoft
Windows 11 Version 23H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows Server 2022, 23H2 Edition (Server Core installation)
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a race condition (CWE-362) in the Applocker Filter Driver component of Windows 11 version 22H3 (build 10.0.22631.0). Improper synchronization during concurrent execution of shared resources enables an authorized local attacker to elevate privileges. Microsoft has published an official fix addressing this issue.
Potential Impact
An authorized local attacker can exploit this race condition to elevate their privileges on the affected system, potentially gaining higher-level access than intended. This could lead to full system compromise depending on the privileges gained.
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-2026-25184 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-01-29T18:36:49.696Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25184","vendor":"Microsoft"}]
Threat ID: 69de7a1682d89c981fd6a621
Added to database: 04/14/2026, 17:32:06 UTC
Last enriched: 08/15/2026, 13:54:25 UTC
Last updated: 09/14/2026, 10:01:30 UTC
Views: 128
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