CVE-2026-20861: 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 when accessing shared resources can be exploited by an authorized local attacker to elevate privileges. The CVSS 3.1 vector indicates the attack requires local access with high attack complexity and low privileges but no user interaction. Successful exploitation can result in complete confidentiality, integrity, and availability impact. Microsoft has published this vulnerability and a patch is available.
Potential Impact
An authorized local attacker can exploit this race condition to elevate privileges on the affected Windows 10 Version 1809 system. This can lead to full compromise of system confidentiality, integrity, and availability.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for Windows 10 Version 1809 to remediate this issue. No additional mitigation steps are indicated.
CVE-2026-20861: 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 when accessing shared resources can be exploited by an authorized local attacker to elevate privileges. The CVSS 3.1 vector indicates the attack requires local access with high attack complexity and low privileges but no user interaction. Successful exploitation can result in complete confidentiality, integrity, and availability impact. Microsoft has published this vulnerability and a patch is available.
Potential Impact
An authorized local attacker can exploit this race condition to elevate privileges on the affected Windows 10 Version 1809 system. This can lead to full compromise of system confidentiality, integrity, and availability.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for Windows 10 Version 1809 to remediate this issue. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-12-03T05:54:20.380Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69668ae0a60475309f9ae127
Added to database: 1/13/2026, 6:11:44 PM
Last enriched: 4/3/2026, 12:46:40 PM
Last updated: 5/8/2026, 3:12:57 PM
Views: 96
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