CVE-2021-1642

HIGH

Windows 10 and Windows Server 2016/2019 - Elevation of Privilege via AppX Deployment Extensions

Title source: llm

Windows AppX Deployment Extensions Elevation of Privilege Vulnerability

Core 2

Core References

Vendor Advisory vendor-advisory

Vendor Advisory

CVSS v3 7.8

EPSS 0.0074

EPSS Percentile 49.9%

Attack Vector LOCAL

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

CWE

CWE-269

Status published

Products (11)

microsoft/windows_10 20h2

microsoft/windows_10 1607

microsoft/windows_10 1803

microsoft/windows_10 1809

microsoft/windows_10 1909

microsoft/windows_10 2004

microsoft/windows_server_2016

microsoft/windows_server_2016 20h2

microsoft/windows_server_2016 1909

microsoft/windows_server_2016 2004

... and 1 more

Published Jan 12, 2021

Tracked Since Feb 18, 2026