CVE-2026-27911: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1607
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows User Interface Core allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a race condition (CWE-362) in the Windows User Interface Core component of Windows 10 Version 1607. Improper synchronization when accessing shared resources can be exploited by an authorized local attacker to gain elevated privileges. The vulnerability is tracked as CVE-2026-27911 and has a CVSS 3.1 base score of 7.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has released an official patch to remediate this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher system rights. This can lead to full system compromise, including unauthorized access to sensitive data and disruption of system operations.
Mitigation Recommendations
An official fix from Microsoft is available and should be applied promptly to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27911 for patch details and deployment guidance.
CVE-2026-27911: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 10 Version 1607
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows User Interface Core allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a race condition (CWE-362) in the Windows User Interface Core component of Windows 10 Version 1607. Improper synchronization when accessing shared resources can be exploited by an authorized local attacker to gain elevated privileges. The vulnerability is tracked as CVE-2026-27911 and has a CVSS 3.1 base score of 7.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has released an official patch to remediate this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher system rights. This can lead to full system compromise, including unauthorized access to sensitive data and disruption of system operations.
Mitigation Recommendations
An official fix from Microsoft is available and should be applied promptly to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27911 for patch details and deployment guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-24T21:35:49.686Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27911","vendor":"Microsoft"}]
Threat ID: 69de7a2182d89c981fd6a7c1
Added to database: 04/14/2026, 17:32:17 UTC
Last enriched: 06/19/2026, 17:01:54 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 87
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