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Highest advisory severityHigh 1 vendor · 1 advisory

CVE-2026-33826

CVE-2026-33826: 1 tracked advisory record across MS Server. 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.

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Vendor advisory comparison

MS Server

1 advisory
  • Advisory severityHigh8.0

    High [CVE-2026-33826] Windows Active Directory Remote Code Execution Vulnerability

    CVE-2026-33826Source published Source updated

    Improper input validation in Windows Active Directory allows an authorized attacker to execute code over an adjacent network. Affected products named by the advisory: Windows Server 2012 R2; Windows Server 2012 R2 (Server Core installation); Windows Server 2016; Windows Server 2016 (Server Core installation); and 6 more. Affected products named by the advisory: Windows Server 2019 (Server Core installation); Windows Server 2022, 23H2 Edition (Server Core installation); Windows Server 2025 (Server Core installation).

    Affected products in this advisory
    • Windows Server 2012 R2 (Server Core installation)
    • Windows Server 2016 (Server Core installation)
    • Windows Server 2019 (Server Core installation)
    • Windows Server 2022, 23H2 Edition (Server Core installation)

    1 more entries in the full advisory.

    Source-reported affected versions
    • Windows Server 2012 R2 6.3.9600.0 before 6.3.9600.23132
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 before 6.3.9600.23132
    • Windows Server 2016 10.0.14393.0 before 10.0.14393.9060
    • Windows Server 2016 (Server Core installation) 10.0.14393.0 before 10.0.14393.9060

    6 more entries in the full advisory.

    Source-reported fixed versions
    • 6.3.9600.23132
    • 10.0.14393.9060
    • 10.0.17763.8644
    • 10.0.20348.5020

    2 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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