CVE-2021-42278

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Summary

CVECVE-2021-42278
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-11-10 01:19:00 UTC
Updated2023-12-28 16:15:00 UTC
DescriptionActive Directory Domain Services Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-42282, CVE-2021-42287, CVE-2021-42291.

Risk And Classification

EPSS: 0.702070000 probability, percentile 0.993130000 (date 2026-07-22)

CISA KEV: Listed on 2022-04-11; due 2022-05-02; ransomware use Known

Problem Types: CWE-20

CISA Known Exploited Vulnerability

VendorMicrosoft
ProductActive Directory
NameMicrosoft Active Directory Domain Services Privilege Escalation Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://nvd.nist.gov/vuln/detail/CVE-2021-42278

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Microsoft Windows Server 2008 - sp2 All All
Operating System Microsoft Windows Server 2008 r2 sp1 All All
Operating System Microsoft Windows Server 2012 - All All All
Operating System Microsoft Windows Server 2012 r2 All All All
Operating System Microsoft Windows Server 2016 - All All All
Operating System Microsoft Windows Server 2016 2004 All All All
Operating System Microsoft Windows Server 2016 20h2 All All All
Operating System Microsoft Windows Server 2019 - All All All
Operating System Microsoft Windows Server 2022 - All All All

References

ReferenceSourceLinkTags
Security Update Guide - Microsoft Security Response Center MISC portal.msrc.microsoft.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Legacy QID Mappings

  • 91835 Microsoft Active Directory Domain Services (AD DS) Elevation of Privilege Vulnerability - November 2021

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