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    CVE-2021-26893

    Windows DNS Server Remote Code Execution Vulnerability

    Published:Mar 11, 2021
    Last Modified:Aug 19, 2026
    EPS:Mar 11, 2021
    EPSS Score:0.06397
    CVSS Score:9.8

    Affected Products

    Vendor
    Microsoft
    Product
    Windows Server 1909
    Vendor
    Microsoft
    Product
    Windows Server 2004
    Vendor
    Microsoft
    Product
    Windows Server 2008
    Vendor
    Microsoft
    Product
    Windows Server 2008 R2
    Vendor
    Microsoft
    Product
    Windows Server 2008 Sp2
    Vendor
    Microsoft
    Product
    Windows Server 2012
    Vendor
    Microsoft
    Product
    Windows Server 2012 R2
    Vendor
    Microsoft
    Product
    Windows Server 2016
    Vendor
    Microsoft
    Product
    Windows Server 2019
    Vendor
    Microsoft
    Product
    Windows Server 20H2

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2021-33760 (CVSS 5.5) — Media Foundation Information Disclosure Vulnerability…
    CVE-2021-31194 (CVSS 8.8) — OLE Automation Remote Code Execution Vulnerability…
    CVE-2021-31193 (CVSS 7.8) — Windows SSDP Service Elevation of Privilege Vulnerability…
    CVE-2021-31191 (CVSS 5.5) — Windows Projected File System FS Filter Driver Information Disclosure Vulnerability…
    CVE-2021-31188 (CVSS 7.8) — Windows Graphics Component Elevation of Privilege Vulnerability…
    CVE-2021-31186 (CVSS 7.4) — Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability…
    CVE-2021-31184 (CVSS 5.5) — Microsoft Windows Infrared Data Association (IrDA) Information Disclosure Vulnerability…
    CVE-2021-31182 (CVSS 7.1) — Microsoft Bluetooth Driver Spoofing Vulnerability…
    CVE-2021-31170 (CVSS 7.8) — Windows Graphics Component Elevation of Privilege Vulnerability…
    CVE-2021-31167 (CVSS 7.8) — Windows Container Manager Service Elevation of Privilege Vulnerability…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High