Security
Loading…

CVE-2021-43226

HIGHCVSS 7.8Known Exploited
Description

Microsoft Windows Common Log File System Driver contains a privilege escalation vulnerability that could allow a local, privileged attacker to bypass certain security mechanisms.

Timeline
Published:December 15th, 2021 3:15 PM
Last modified:August 22nd, 2026 4:16 AM
Added to KEV:October 6th, 2025
CVSS Scoring

CVSS v3: 7.8 (HIGH)

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

CVSS v2: 4.6

Affected Software
From NVD CPE configuration data

Vendors

microsoft

Products

windows_10_1507windows_10_1607windows_10_1809windows_10_1909windows_10_2004windows_10_20h2windows_10_21h1windows_10_21h2windows_11_21h2windows_7windows_8.1windows_rt_8.1windows_server_2004windows_server_2008windows_server_2012windows_server_2016windows_server_2019windows_server_2022windows_server_20h2

Source: NIST NVD · Data may lag official sources by up to one minute