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CVE-2026-69743

HighCVSS 7.0/10Last modified Oct 28, 2026

Description

Use after free in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
Microsoft	Windows 11 version 23H2	>= 10.0.22631.0, < 10.0.22631.7652
Microsoft	Windows 11 Version 23H2	>= 10.0.22631.0, < 10.0.22631.7652
Microsoft	Windows 11 Version 24H2	>= 10.0.26100.0, < 10.0.26100.9711
Microsoft	Windows 11 Version 25H2	>= 10.0.26200.0, < 10.0.26200.9711
Microsoft	Windows 11 version 26H1	>= 10.0.28000.0, < 10.0.28000.3231
Microsoft	Windows 11 Version 26H2	>= 10.0.26300.0, < 10.0.26300.9711
Microsoft	Windows Server 2025	>= 10.0.26100.0, < 10.0.26100.33650
Microsoft	Windows Server 2025 (Server Core installation)	>= 10.0.26100.0, < 10.0.26100.33650

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69743Patch, Vendor Advisory

Timeline

Published: Oct 13, 2026
Last modified: Oct 28, 2026
NVD status: Analyzed

Related CVEs from 2026

CVE-2026-697447.5Null pointer dereference in Windows Kerberos allows an unauthorized attacker to deny service over a network.CVE-2026-697577.5Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges over a network.CVE-2026-697587.8Heap-based buffer overflow in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges lo CVE-2026-697598.8Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.CVE-2026-69763.7GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 CVE-2026-697607.5Out-of-bounds read in Windows Kerberos allows an unauthorized attacker to deny service over a network.CVE-2026-697617.5Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges over a network.CVE-2026-697628.8Stack-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges over a network.CVE-2026-697637.0Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.CVE-2026-697648.8Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.CVE-2026-697658.8Use after free in Windows Storport Miniport Driver allows an unauthorized attacker to execute code over a network.CVE-2026-697667.0Use after free in Windows Storage allows an authorized attacker to elevate privileges locally.

CVE-2026-69743: High severity, CVSS 7.0 | Vulnix