CVE-2021-1661

HIGH

Windows Installer < - Privilege Escalation

Title source: llm
STIX 2.1

Description

Windows Installer Elevation of Privilege Vulnerability

Scores

CVSS v3 7.8
EPSS 0.0027
EPSS Percentile 50.1%
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-665
Status published
Products (19)
microsoft/windows_10
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_7
microsoft/windows_8.1
microsoft/windows_rt_8.1
... and 9 more
Published Jan 12, 2021
Tracked Since Feb 18, 2026