Medium · 5.5 CVE-2026-68873 EUVD-2026-73413GHSA-4vp8-4w4f-hch2

Windows Program Compatibility Assistant Service Information Disclosure Vulnerability

Published Sep 8, 2026 · Updated Nov 10, 2026 · Assigned by microsoft

Vendor: Microsoft Product: Windows 11 version 23H2 Product: Windows 11 Version 24H2 Product: Windows 11 Version 25H2 Product: Windows 11 version 26H1 Product: Windows Server 2025 Product: Windows Server 2025 (Server Core installation) Platform: Windows

Description

Insertion of sensitive information into log file in Windows Program Compatibility Assistant Service allows an authorized attacker to disclose information locally.

Affected products

Vendor	Product	Affected	Fixed
Microsoft	Windows 11 version 23H2	10.0.22631.0 – < 10.0.22631.7582	10.0.22631.7582
Microsoft	Windows 11 Version 24H2	10.0.26100.0 – < 10.0.26100.9445	10.0.26100.9445
Microsoft	Windows 11 Version 25H2	10.0.26200.0 – < 10.0.26200.9445	10.0.26200.9445
Microsoft	Windows 11 version 26H1	10.0.28000.0 – < 10.0.28000.2954	10.0.28000.2954
Microsoft	Windows Server 2025	10.0.26100.0 – < 10.0.26100.33438	10.0.26100.33438
Microsoft	Windows Server 2025 (Server Core installation)	10.0.26100.0 – < 10.0.26100.33438	10.0.26100.33438

Advisories 2

WID-SEC-2026-3243 Microsoft Windows: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 4, 2026
MSRC-CVE-2026-68873 Windows Program Compatibility Assistant Service Information Disclosure Vulnerability Microsoft Security Response Center · Sep 8, 2026

References

Windows Program Compatibility Assistant Service Information Disclosure Vulnerability vendor-advisory patch