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Highest advisory severityHigh Exploited CISA KEV 1 vendor · 1 advisory

CVE-2021-43226

CVE-2021-43226: 1 tracked advisory record across MS Server. CISA KEV listed; exploitation observed. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

NVD detail CVE.org

Vendor advisory comparison

MS Server

1 advisory
  • Advisory severityHigh7.8

    High [CVE-2021-43226] Windows Common Log File System Driver Elevation of Privilege Vulnerability

    CVE-2021-43226Source published Source updated

    Windows Common Log File System Driver Elevation of Privilege Vulnerability Affected products named by the advisory: Windows Server 2019; Windows Server 2019 (Server Core installation); Windows Server 2022; Windows Server version 2004; and 11 more. Affected products named by the advisory: Windows Server version 20H2; Windows Server 2016 (Server Core installation); Windows Server 2008 Service Pack 2 (Server Core installation); Windows Server 2008 Service Pack 2; and 3 more.

    Affected products in this advisory
    • Windows Server 2019 (Server Core installation)
    • Windows Server 2022
    • Windows Server version 2004
    • Windows Server version 20H2

    6 more entries in the full advisory.

    Source-reported affected versions
    • Windows 10 Version 1809 10.0.0 before 10.0.17763.2366
    • Windows Server 2019 10.0.0 before 10.0.17763.2366
    • Windows Server 2019 (Server Core installation) 10.0.0 before 10.0.17763.2366
    • Windows 10 Version 1909 10.0.0 before 10.0.18363.1977

    8 more entries in the full advisory.

    Source-reported fixed versions
    • 10.0.17763.2366
    • 10.0.18363.1977
    • 10.0.19043.1415
    • 10.0.20348.405

    8 more entries in the full advisory.

    Mitigation guidance
    No mitigation guidance extracted; consult the source.
    Full advisory and evidenceOpen source bulletin

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