CVE-2026-34333
HighSummary
A use after free vulnerability in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
Risk Assessment
This vulnerability could lead to unauthorized access to system resources, posing a significant security risk to the organization.
Recommendation
It is recommended to update the operating system to the latest version to patch this vulnerability and to monitor systems for potential exploitation attempts.
Other vulnerabilities in Windows Win32K - GRFX
See all- CVE-2026-40403High
Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to execute code locally.
- CVE-2026-34331High
There is a concurrent execution issue in Windows Win32K - GRFX due to improper synchronization, leading to a race condition. This allows an authorized attacker to elevate privileges locally.
- CVE-2025-26687High
A use after free vulnerability in Windows Win32K - GRFX allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-56176High
An out-of-bounds read vulnerability in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
- CVE-2026-44812High
An integer overflow vulnerability in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
- CVE-2026-44803High
An integer overflow vulnerability in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
- CVE-2026-33104High
A race condition in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally via concurrent execution of a shared resource without proper synchronization.
Original NVD description (English source)
Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.