CVE-2026-69743
HighCVSS 7.0Exploitation Probability (EPSS)
Low risk18th percentile - higher than 18% of all known CVEs
Summary
Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
Risk Assessment
An authorized user could exploit this vulnerability to escalate privileges, potentially leading to full system control.
Recommendation
Install the latest security updates from Microsoft for the Program Compatibility Assistant service.
Other vulnerabilities in Windows Program Compatibility Assistant Service
See all- CVE-2026-96920High
Heap-based buffer overflow in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
- 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-2026-69596High
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)
Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS