CVE-2026-65776
HighCVSS 7.0Exploitation Probability (EPSS)
Low risk14th percentile - higher than 14% of all known CVEs
Summary
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker with local access could gain elevated privileges, potentially leading to full system compromise.
Recommendation
Apply the latest security updates from Microsoft for Windows Win32K.
Other vulnerabilities in Windows Win32K
See all- CVE-2026-85901High
Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
- CVE-2026-83883High
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
- CVE-2026-83866High
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
- CVE-2026-83841High
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K allows an authorized attacker to elevate privileges locally.
- CVE-2026-83762High
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
- CVE-2026-83757High
Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.
- CVE-2026-83732High
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
- CVE-2026-83721High
A use after free vulnerability in Windows Win32K allows an authorized attacker to elevate privileges locally.
- CVE-2026-70286High
Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
- CVE-2026-34347High
A use after free vulnerability in Windows Win32K allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS