boxscore/security
CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2021-36942HIGH
Microsoft Windows Server 2008 R2 Service Pack 1 — Windows LSA Spoofing Vulnerability
  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  N  N    7.5   .6602   99.2   YES
AFFECTED
  Product                                                           Versions        Fixed
  Windows Server 2008 R2 Service Pack 1                             6.1.7601.0 –    —
  Windows Server 2008 R2 Service Pack 1 (Server Core installation)  6.1.7601.0 –    —
  Windows Server 2008 Service Pack 2                                6.0.6003.0 –    —
  Windows Server 2008 Service Pack 2 (Server Core installation)     6.0.6003.0 –    —
  Windows Server 2012                                               6.2.9200.0 –    —
  Windows Server 2012 (Server Core installation)                    6.2.9200.0 –    —
  Windows Server 2012 R2                                            6.3.9600.0 –    —
  Windows Server 2012 R2 (Server Core installation)                 6.3.9600.0 –    —
  Windows Server 2016                                               10.0.14393.0 –  —
  Windows Server 2016 (Server Core installation)                    10.0.14393.0 –  —
  + 4 more
TIMELINE
  Jul 19  Reserved by microsoft
  Nov 3   Added to CISA KEV, remediation due 2021-11-17
  Nov 3   Published (CNA: microsoft)
  Aug 10  EXPLOIT PUBLISHED — CVE-2021-36942 (Microsoft Windows Server 2008 R2 Service Pack 1). Public exploit reference added.
CNA: microsoft · CVSS v3.1 · 4 references · NVD status: Analyzed · KEV due November 17, 2021

Description

Windows LSA Spoofing Vulnerability

Lifecycle

Complete event history — 4 events, chronological
DateEventDetail
July 19, 2021ReservedReserved by microsoft
November 3, 2021KEV ADDEDAdded to CISA KEV, remediation due 2021-11-17
November 3, 2021PublishedPublished (CNA: microsoft)
August 10, 2026EXPLOIT PUBLISHEDEXPLOIT PUBLISHED — CVE-2021-36942 (Microsoft Windows Server 2008 R2 Service Pack 1). Public exploit reference added.

Affected

Affected products and packages — 14 rows
VendorProduct / PackageEcosystemVersion introducedFixed
MicrosoftWindows Server 2008 R2 Service Pack 1—6.1.7601.0—
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)—6.1.7601.0—
MicrosoftWindows Server 2008 Service Pack 2—6.0.6003.0—
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)—6.0.6003.0—
MicrosoftWindows Server 2012—6.2.9200.0—
MicrosoftWindows Server 2012 (Server Core installation)—6.2.9200.0—
MicrosoftWindows Server 2012 R2—6.3.9600.0—
MicrosoftWindows Server 2012 R2 (Server Core installation)—6.3.9600.0—
MicrosoftWindows Server 2016—10.0.14393.0—
MicrosoftWindows Server 2016 (Server Core installation)—10.0.14393.0—
MicrosoftWindows Server 2019—10.0.17763.0—
MicrosoftWindows Server 2019 (Server Core installation)—10.0.17763.0—
MicrosoftWindows Server version 2004—10.0.0—
MicrosoftWindows Server version 20H2—10.0.0—

References (4)

Related

Authoritative record: CVE-2021-36942 at cve.org

Vendors: microsoft

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2021-36942 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.