CVE-2026-50345: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 11 Version 24H2
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-50345, involves a race condition (CWE-362) in Windows Runtime on Windows 11 Version 24H2 (build 10.0.26100.0). The improper synchronization of concurrent access to shared resources can be exploited by an authorized local attacker to elevate privileges. The CVSS v3.1 base score is 7.0, indicating high severity, with attack vector local, high attack complexity, low privileges required, no user interaction, and impacts on confidentiality, integrity, and availability. Microsoft has published an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this race condition vulnerability to elevate privileges on the affected Windows 11 system, potentially gaining higher-level access than intended. The vulnerability impacts confidentiality, integrity, and availability of the system. There are no known exploits in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided security update from Microsoft as soon as possible to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-50345: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in Microsoft Windows 11 Version 24H2
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.0high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-50345, involves a race condition (CWE-362) in Windows Runtime on Windows 11 Version 24H2 (build 10.0.26100.0). The improper synchronization of concurrent access to shared resources can be exploited by an authorized local attacker to elevate privileges. The CVSS v3.1 base score is 7.0, indicating high severity, with attack vector local, high attack complexity, low privileges required, no user interaction, and impacts on confidentiality, integrity, and availability. Microsoft has published an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this race condition vulnerability to elevate privileges on the affected Windows 11 system, potentially gaining higher-level access than intended. The vulnerability impacts confidentiality, integrity, and availability of the system. There are no known exploits in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided security update from Microsoft as soon as possible to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:15:10.953Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50345","vendor":"Microsoft"}]
Threat ID: 6a56769368715ace43f08d06
Added to database: 07/14/2026, 17:49:07 UTC
Last enriched: 08/13/2026, 14:36:49 UTC
Last updated: 08/25/2026, 22:52:12 UTC
Views: 65
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.