CVE-2026-45597: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 11 version 23H2
Concurrent execution using shared resource with improper synchronization ('race condition') in UI Automation Manager (uiamanager.dll) allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a race condition (CWE-362) in the UI Automation Manager (uiamanager.dll) of Windows 11 version 23H2 (build 10.0.22631.0). Improper synchronization when concurrently accessing shared resources can be exploited by an authorized local attacker to elevate privileges. The issue is recognized and patched by Microsoft, with an official fix released. No known exploits in the wild have been reported at this time.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access on the affected system. This can lead to full system compromise depending on the elevated privileges obtained. The vulnerability affects confidentiality, integrity, and availability as indicated by the CVSS vector.
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-2026-45597 to remediate this vulnerability.
CVE-2026-45597: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 11 version 23H2
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in UI Automation Manager (uiamanager.dll) allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.0high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a race condition (CWE-362) in the UI Automation Manager (uiamanager.dll) of Windows 11 version 23H2 (build 10.0.22631.0). Improper synchronization when concurrently accessing shared resources can be exploited by an authorized local attacker to elevate privileges. The issue is recognized and patched by Microsoft, with an official fix released. No known exploits in the wild have been reported at this time.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate their privileges, potentially gaining higher-level access on the affected system. This can lead to full system compromise depending on the elevated privileges obtained. The vulnerability affects confidentiality, integrity, and availability as indicated by the CVSS vector.
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-2026-45597 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T19:55:45.730Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45597","vendor":"Microsoft"}]
Threat ID: 6a284ce18dd33fbd85664e0c
Added to database: 6/9/2026, 5:26:57 PM
Last enriched: 6/9/2026, 7:10:51 PM
Last updated: 6/10/2026, 4:56:25 AM
Views: 2
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