CVE-2026-62876
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk15th percentile - higher than 15% of all known CVEs
Summary
Out-of-bounds read in Windows Win32K allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker with local access could exploit the flaw to gain elevated privileges, potentially compromising system integrity.
Recommendation
Apply the latest Windows security updates.
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)
Out-of-bounds read in Windows Win32K allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS