Vulnerability in Microsoft Windows 10 Version 21H2

[ Description ]Official description

Improper protection of alternate path in Windows AppX Deployment Service allows an authorized attacker to bypass a security feature locally.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• CERT-FR14 Oct 2026CERTFR-2026-AVI-1314

  Multiple vulnerabilities in Microsoft Windows Translated from French

  Multiple vulnerabilities have been discovered in Microsoft Windows. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation and remote denial of service. Microsoft reports that…

  CVE-2026-70096CVE-2026-100200CVE-2026-100201+1118 more CVEs
• BSI CERT-Bund13 Oct 2026WID-SEC-2026-3892

  Microsoft Windows and Windows Server: Multiple vulnerabilities Translated from German

  CVE-2026-69968CVE-2026-83785CVE-2026-72968+1124 more CVEs
• NCSC-NL13 Oct 2026NCSC-2026-0426

  Vulnerabilities fixed in Microsoft Developer Tools Translated from Dutch

  Probability/damage M/HCVE-2026-58280CVE-2026-66822CVE-2026-69370+59 more CVEs

[ References ]References

• msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69979