CVE-2026-20874: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1809
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a race condition (CWE-362) in Windows Management Services on Windows 10 Version 1809 (build 10.0.17763.0). Improper synchronization during concurrent execution of shared resources can be exploited by an authorized local attacker to elevate privileges. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. The vulnerability requires local access with high attack complexity and low privileges but no user interaction. Microsoft has released a patch to remediate this issue.
Potential Impact
An authorized local attacker can exploit this race condition to elevate their privileges on the affected system. This could lead to complete compromise of the system's confidentiality, integrity, and availability. There are no known exploits in the wild at the time of publication.
Mitigation Recommendations
A patch is available from Microsoft to fix this vulnerability. It is recommended to apply the official update for Windows 10 Version 1809 (build 10.0.17763.0) as soon as possible to remediate the issue. No additional mitigation guidance is provided or required beyond applying the patch.
CVE-2026-20874: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1809
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a race condition (CWE-362) in Windows Management Services on Windows 10 Version 1809 (build 10.0.17763.0). Improper synchronization during concurrent execution of shared resources can be exploited by an authorized local attacker to elevate privileges. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. The vulnerability requires local access with high attack complexity and low privileges but no user interaction. Microsoft has released a patch to remediate this issue.
Potential Impact
An authorized local attacker can exploit this race condition to elevate their privileges on the affected system. This could lead to complete compromise of the system's confidentiality, integrity, and availability. There are no known exploits in the wild at the time of publication.
Mitigation Recommendations
A patch is available from Microsoft to fix this vulnerability. It is recommended to apply the official update for Windows 10 Version 1809 (build 10.0.17763.0) as soon as possible to remediate the issue. No additional mitigation guidance is provided or required beyond applying the patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-12-03T05:54:20.386Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69668ae1a60475309f9ae16f
Added to database: 1/13/2026, 6:11:45 PM
Last enriched: 4/3/2026, 12:48:03 PM
Last updated: 5/10/2026, 9:01:04 AM
Views: 60
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