CVE-2026-50669: 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 Telephony Service allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a concurrent execution flaw (race condition) in the Windows Telephony Service on Windows 10 Version 1607 (build 10.0.14393.0). Improper synchronization of shared resources allows a local attacker with some level of authorization to elevate their privileges. The flaw is identified as CWE-362 and has been assigned CVE-2026-50669. Microsoft has published an official fix to remediate this issue.
Potential Impact
An authorized local attacker can exploit this race condition to elevate their privileges, potentially gaining higher-level access on the affected system. This could lead to full system compromise depending on the privileges gained.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided patch from the Microsoft Security Response Center advisory to remediate the issue. No additional mitigation steps are indicated by the vendor.
CVE-2026-50669: 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 Telephony Service 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 involves a concurrent execution flaw (race condition) in the Windows Telephony Service on Windows 10 Version 1607 (build 10.0.14393.0). Improper synchronization of shared resources allows a local attacker with some level of authorization to elevate their privileges. The flaw is identified as CWE-362 and has been assigned CVE-2026-50669. Microsoft has published an official fix to remediate this issue.
Potential Impact
An authorized local attacker can exploit this race condition to elevate their privileges, potentially gaining higher-level access on the affected system. This could lead to full system compromise depending on the privileges gained.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided patch from the Microsoft Security Response Center advisory to remediate the issue. No additional mitigation steps are indicated by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-05T14:33:50.832Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50669","vendor":"Microsoft"}]
Threat ID: 6a5676aa68715ace43f09755
Added to database: 07/14/2026, 17:49:30 UTC
Last enriched: 08/13/2026, 15:13:57 UTC
Last updated: 08/26/2026, 22:52:11 UTC
Views: 40
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