NetSight
high7.0

CVE-2026-34331

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate p…

Impact

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

Affected products

VendorProductAffected versions
MicrosoftWindows 10 1607
before 10.0.14393.9140
MicrosoftWindows 10 1809
before 10.0.17763.8755
MicrosoftWindows 10 21h2
before 10.0.19044.7291
MicrosoftWindows 10 22h2
before 10.0.19045.7291
MicrosoftWindows 11 23h2
before 10.0.22631.7079
MicrosoftWindows 11 24h2
before 10.0.26100.8390
MicrosoftWindows 11 25h2
before 10.0.26200.8390
MicrosoftWindows 11 26h1
before 10.0.28000.2113
MicrosoftWindows Server 2012
All versions
Version r2
MicrosoftWindows Server 2016
before 10.0.14393.9140
MicrosoftWindows Server 2019
before 10.0.17763.8755
MicrosoftWindows Server 2022
before 10.0.20348.5074

Weakness classification

References