CVE-2021-26889

HIGH

Windows 10 and Windows Server 2016/2019 - Elevation of Privilege via Improper Link Resolution

Title source: llm
STIX 2.1

Description

Windows Update Stack Elevation of Privilege Vulnerability

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-21-328/

Scores

CVSS v3 7.8
EPSS 0.0103
EPSS Percentile 59.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-59
Status published
Products (9)
microsoft/windows_10 20h2
microsoft/windows_10 1803
microsoft/windows_10 1809
microsoft/windows_10 1909
microsoft/windows_10 2004
microsoft/windows_server_2016 20h2
microsoft/windows_server_2016 1909
microsoft/windows_server_2016 2004
microsoft/windows_server_2019
Published Mar 11, 2021
Tracked Since Feb 18, 2026