7.8

CVE-2021-43226

Warnung

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Windows Common Log File System Driver Elevation of Privilege Vulnerability
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Windows 10 1507 HwPlatform x64 Version < 10.0.10240.19145
Microsoft ≫ Windows 10 1507 HwPlatform x86 Version < 10.0.10240.19145
Microsoft ≫ Windows 10 1607 HwPlatform x64 Version < 10.0.14393.4825
Microsoft ≫ Windows 10 1607 HwPlatform x86 Version < 10.0.14393.4825
Microsoft ≫ Windows 10 1809 Version < 10.0.17763.2366
Microsoft ≫ Windows 10 1909 Version < 10.0.18363.1977
Microsoft ≫ Windows 10 2004 Version < 10.0.19041.1415
Microsoft ≫ Windows 10 20h2 HwPlatform arm64 Version < 10.0.19042.1415
Microsoft ≫ Windows 10 20h2 HwPlatform x86 Version < 10.0.19042.1415
Microsoft ≫ Windows 10 21h1 Version < 10.0.19043.1415
Microsoft ≫ Windows 10 21h2 Version < 10.0.19044.1415
Microsoft ≫ Windows 11 21h2 Version < 10.0.22000.376
Microsoft ≫ Windows 7 Version - Update sp1
Microsoft ≫ Windows 8.1 Version -
Microsoft ≫ Windows Rt 8.1 Version -
Microsoft ≫ Windows Server 2004 Version < 10.0.19041.1415
Microsoft ≫ Windows Server 2008 Version - Update sp2 HwPlatform x64
Microsoft ≫ Windows Server 2008 Version - Update sp2 HwPlatform x86
Microsoft ≫ Windows Server 2008 Version r2 Update sp1 HwPlatform x64
Microsoft ≫ Windows Server 2016 Version < 10.0.14393.4825
Microsoft ≫ Windows Server 2019 Version < 10.0.17763.2366
Microsoft ≫ Windows Server 2022 Version < 10.0.20348.405
Microsoft ≫ Windows Server 20h2 Version < 10.0.19042.1415

06.10.2025: CISA Known Exploited Vulnerabilities (KEV) Catalog

Microsoft Windows Privilege Escalation Vulnerability

Schwachstelle

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

Beschreibung

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.07% 0.859
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NIST 4.6 3.9 6.4
AV:L/AC:L/Au:N/C:P/I:P/A:P
Microsoft 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43226
Patch
Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-43226
US Government Resource