CVE-2026-69743
HIGHCVSS 7/10EPSS 0.31%
Last modified
CVE-2026-69743 is a high-severity vulnerability rated 7/10 on the CVSS scale. Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.
Description
Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 11 23h2 | < 10.0.22631.7652 |
| Microsoft | Windows 11 24h2 | < 10.0.26100.9711 |
| Microsoft | Windows 11 25h2 | < 10.0.26200.9711 |
| Microsoft | Windows 11 26h1 | < 10.0.28000.3231 |
| Microsoft | Windows 11 26h2 | < 10.0.26300.9711 |
| Microsoft | Windows Server 2025 | < 10.0.26100.33650 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69743Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-69743?
Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
How severe is CVE-2026-69743?
CVE-2026-69743 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.
How do I fix CVE-2026-69743?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-69736Concurrent execution using shared resource with improper syn…7
- CVE-2026-69738Integer overflow or wraparound in Windows Biometric Service …7.8
- CVE-2026-69739Out-of-bounds read in Microsoft Office allows an unauthorize…7.5
- CVE-2026-69740Use after free in Windows Hello allows an authorized attacke…8.8
- CVE-2026-69741Out-of-bounds read in Windows Spaceport.sys allows an author…5.5
- CVE-2026-69742Integer overflow or wraparound in Microsoft Office Publisher…8.8
- CVE-2026-69744Null pointer dereference in Windows Kerberos allows an unaut…7.5
- CVE-2026-69757Use after free in Windows TCP/IP allows an authorized attack…7.5
- CVE-2026-69758Heap-based buffer overflow in Windows Universal Disk Format …7.8
- CVE-2026-69759Stack-based buffer overflow in Microsoft Office Word allows …8.8
- CVE-2026-6976GitLab has remediated an issue in GitLab CE/EE affecting all…3.7
- CVE-2026-69760Out-of-bounds read in Windows Kerberos allows an unauthorize…7.5
Are you affected by CVE-2026-69743?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
