FAQ
What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
MSRC compact vulnerability detail
CVE-2026-34330 · Win32k Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
Signals
Windows Win32K - GRFX
Elevation of Privilege
Exploited: No
Publicly disclosed: No
Exploitability: Exploitation Unlikely
CWE
Patch Diff
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Resolved binary override
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Description
Integer overflow or wraparound in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
FAQ / Articles
Windows Win32K - GRFX Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.