CVE-2026-33104: 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 Win32K - GRFX allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a race condition (CWE-362) in the Windows Win32K graphics subsystem (GRFX) on Windows 10 Version 1607 (build 10.0.14393.0). Improper synchronization during concurrent execution of shared resources allows a local attacker with some privileges to escalate their privileges further. The issue is recognized and patched by Microsoft, with an official fix released to mitigate the risk.
Potential Impact
Successful exploitation allows a local authorized attacker to elevate their privileges on the affected Windows 10 Version 1607 system. This could lead to full system compromise depending on the privileges gained. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33104 to remediate this vulnerability.
CVE-2026-33104: 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 Win32K - GRFX 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 the Windows Win32K graphics subsystem (GRFX) on Windows 10 Version 1607 (build 10.0.14393.0). Improper synchronization during concurrent execution of shared resources allows a local attacker with some privileges to escalate their privileges further. The issue is recognized and patched by Microsoft, with an official fix released to mitigate the risk.
Potential Impact
Successful exploitation allows a local authorized attacker to elevate their privileges on the affected Windows 10 Version 1607 system. This could lead to full system compromise depending on the privileges gained. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33104 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-17T20:15:23.719Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33104","vendor":"Microsoft"}]
Threat ID: 69de7a3a82d89c981fd6cf26
Added to database: 4/14/2026, 5:32:42 PM
Last enriched: 4/14/2026, 5:50:16 PM
Last updated: 4/15/2026, 6:05:34 AM
Views: 8
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.