CVE-2026-83896
HighCVSS 7.8Summary
Heap-based buffer overflow in Windows Direct Composition allows an authorized attacker to elevate privileges locally.
Risk Assessment
An attacker with local access can exploit this vulnerability to gain higher privileges, potentially resulting in full system compromise.
Recommendation
Immediately install the latest security updates for Windows.
Other vulnerabilities in Windows Direct Composition
See all- CVE-2026-85906High
Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges locally.
- CVE-2026-85902High
Heap-based buffer overflow in Windows Direct Composition allows an authorized attacker to elevate privileges locally.
- CVE-2026-83922High
Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges locally.
- CVE-2026-83912High
Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges locally.
- CVE-2026-83903High
Heap-based buffer overflow in Windows Direct Composition allows an authorized attacker to elevate privileges locally.
- CVE-2026-83902High
Heap-based buffer overflow in Windows Direct Composition allows an authorized attacker to elevate privileges locally.
- CVE-2026-70151High
Use after free in Windows Direct Composition. An authorized attacker can exploit this to elevate privileges locally.
- CVE-2026-70021High
Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Heap-based buffer overflow in Windows Direct Composition allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS