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Medium5.5Microsoft Server

Medium [CVE-2026-68873] Windows Program Compatibility Assistant Service Information Disclosure Vulnerability

This medium-severity Microsoft Server advisory covers CVE-2026-68873 affecting Windows Server 2025 (Server Core installation).

CVE-2026-68873 Published Sep 8, 2026Updated by vendor Sep 8, 2026
CVE-2026-68873
Affected products & platforms
Microsoft ServerWindows Server
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Summary

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

Affected products named by the advisory: Windows Server 2025; Windows Server 2025 (Server Core installation).

Affected versions
  • Windows 11 version 23H2 10.0.22631.0 before 10.0.22631.7582
  • Windows 11 Version 23H2 10.0.22631.0 before 10.0.22631.7582
  • Windows 11 Version 24H2 10.0.26100.0 before 10.0.26100.9445
  • Windows 11 Version 25H2 10.0.26200.0 before 10.0.26200.9445
  • Windows 11 version 26H1 10.0.28000.0 before 10.0.28000.2954
  • Windows Server 2025 10.0.26100.0 before 10.0.26100.33438
  • Windows Server 2025 (Server Core installation) 10.0.26100.0 before 10.0.26100.33438

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Fixed versions
  • 10.0.22631.7582
  • 10.0.26100.9445
  • 10.0.26200.9445
  • 10.0.28000.2954
  • 10.0.26100.33438

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Mitigation

Upgrade to a fixed release: 10.0.22631.7582, 10.0.26100.9445, 10.0.26200.9445, 10.0.28000.2954, 10.0.26100.33438. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

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