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CVE-2021-43226

nvd nist
Published: Dec 15, 2021Modified: Jun 17, 2026CISA KEV

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: NVD

Description

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Affected (25)

Microsoft
19 products
Windows 10 1507
Windows 10 1607
Windows 10 1809
Windows 10 1909
Windows 10 2004
Windows 10 20h2
Windows 10 21h1
Windows 10 21h2
Windows 11 21h2
Windows 7
Windows 8.1
Windows Rt 8.1
Windows Server 2004
Windows Server 2008
Windows Server 2012
Windows Server 2016
Windows Server 2019
Windows Server 2022
Windows Server 20h2
Configuration A
25 vulnerable
Vulnerable SoftwareAffected Versions
Microsoft
Windows 10 1507
Before 10.0.10240.19145
Windows 10 1507
Before 10.0.10240.19145
Microsoft
Windows 10 1607
Before 10.0.14393.4825
Windows 10 1607
Before 10.0.14393.4825
Windows 10 1809
Before 10.0.17763.2366
Windows 10 1909
Before 10.0.18363.1977
Windows 10 2004
Before 10.0.19041.1415
Microsoft
Windows 10 20h2
Before 10.0.19042.1415
Windows 10 20h2
Before 10.0.19042.1415
Windows 10 21h1
Before 10.0.19043.1415
Windows 10 21h2
Before 10.0.19044.1415
Windows 11 21h2
Before 10.0.22000.376
Windows 7
All versions
Windows 8.1
All versions
Windows Rt 8.1
All versions
Windows Server 2004
Before 10.0.19041.1415
Microsoft
Windows Server 2008
All versions
Windows Server 2008
All versions
Windows Server 2008
Version r2 sp1
Microsoft
Windows Server 2012
All versions
Windows Server 2012
Version r2
Windows Server 2016
Before 10.0.14393.4825
Windows Server 2019
Before 10.0.17763.2366
Windows Server 2022
Before 10.0.20348.405
Windows Server 20h2
Before 10.0.19042.1415

References (3)

Source: secure@microsoft.com
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

Timeline

No history available yet.