CVE-2026-96920

HighCVSS 7.8

Published: 13/10/2026(UTC)Updated: 16/10/2026(UTC)Translated: 14/10/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.32%

23th percentile - higher than 23% of all known CVEs

Summary

Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

Risk Assessment

Exploitation may lead to arbitrary code execution with elevated privileges and full host compromise.

Recommendation

Promptly deploy Microsoft security updates for this service and consider restricting it if not required.

Other vulnerabilities in Windows Program Compatibility Assistant Service

See all

CVE-2026-83781High
Improper null termination in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
CVE-2026-72969High
Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
CVE-2026-72968High
Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
CVE-2026-72934High
Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69743High
Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69596High
Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69563High
Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69534High
Improper neutralization of special elements used in a command ('command injection') in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
CVE-2026-68876High
Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges over a network.
CVE-2026-68874Medium
A vulnerability in Windows Program Compatibility Assistant Service causes an out-of-bounds read, allowing an authorized attacker to disclose information over a network.

Original NVD description (English source)

Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS