CVE-2021-41379 — Security Box Score

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-2021-41379MEDIUM

Microsoft Windows 10 Version 1507 — Windows Installer Elevation of Privilege Vulnerability

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  N  N  H    5.5   .2010   97.2   YES

AFFECTED
  Product                  Versions        Fixed
  Windows 10 Version 1507  10.0.10240.0 –  —
  Windows 10 Version 1607  10.0.14393.0 –  —
  Windows 10 Version 1809  10.0.17763.0 –  —
  Windows 10 Version 1809  10.0.0 –        —
  Windows 10 Version 1909  10.0.0 –        —
  Windows 10 Version 2004  10.0.0 –        —
  Windows 10 Version 20H2  10.0.0 –        —
  Windows 10 Version 21H1  10.0.0 –        —
  Windows 11 version 21H2  10.0.22000.0 –  —
  Windows 7                6.1.0 –         —
  + 17 more

TIMELINE
  Sep 17  Reserved by microsoft
  Mar 3   Added to CISA KEV, remediation due 2022-03-17
  Mar 3   Published (CNA: microsoft)

CWE-59 · CNA: microsoft · CVSS v3.1 · 4 references · KEV due March 17, 2022

Description

Windows Installer Elevation of Privilege Vulnerability

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 17, 2021	Reserved	Reserved by microsoft
March 3, 2022	KEV ADDED	Added to CISA KEV, remediation due 2022-03-17
March 3, 2022	Published	Published (CNA: microsoft)

Affected

Affected products and packages — 27 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Microsoft	Windows 10 Version 1507	—	10.0.10240.0	—
Microsoft	Windows 10 Version 1607	—	10.0.14393.0	—
Microsoft	Windows 10 Version 1809	—	10.0.17763.0	—
Microsoft	Windows 10 Version 1809	—	10.0.0	—
Microsoft	Windows 10 Version 1909	—	10.0.0	—
Microsoft	Windows 10 Version 2004	—	10.0.0	—
Microsoft	Windows 10 Version 20H2	—	10.0.0	—
Microsoft	Windows 10 Version 21H1	—	10.0.0	—
Microsoft	Windows 11 version 21H2	—	10.0.22000.0	—
Microsoft	Windows 7	—	6.1.0	—
Microsoft	Windows 7 Service Pack 1	—	6.1.0	—
Microsoft	Windows 8.1	—	6.3.0	—
Microsoft	Windows Server 2008 R2 Service Pack 1	—	6.1.7601.0	—
Microsoft	Windows Server 2008 R2 Service Pack 1 (Server Core installation)	—	6.1.7601.0	—
Microsoft	Windows Server 2008 Service Pack 2	—	6.0.6003.0	—
Microsoft	Windows Server 2008 Service Pack 2 (Server Core installation)	—	6.0.6003.0	—
Microsoft	Windows Server 2012	—	6.2.9200.0	—
Microsoft	Windows Server 2012 (Server Core installation)	—	6.2.9200.0	—
Microsoft	Windows Server 2012 R2	—	6.3.9600.0	—
Microsoft	Windows Server 2012 R2 (Server Core installation)	—	6.3.9600.0	—
Microsoft	Windows Server 2016	—	10.0.14393.0	—
Microsoft	Windows Server 2016 (Server Core installation)	—	10.0.14393.0	—
Microsoft	Windows Server 2019	—	10.0.17763.0	—
Microsoft	Windows Server 2019 (Server Core installation)	—	10.0.17763.0	—
Microsoft	Windows Server 2022	—	10.0.20348.0	—
Microsoft	Windows Server version 2004	—	10.0.0	—
Microsoft	Windows Server version 20H2	—	10.0.0	—

Weaknesses

CWE-59

References (4)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-41379 [vendor-advisory, patch]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41379 [x_refsource_MISC, x_transferred]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-41379 [government-resource]
https://www.zerodayinitiative.com/advisories/ZDI-21-1308/ [x_refsource_MISC, x_transferred]

Authoritative record: CVE-2021-41379 at cve.org

Vendors: microsoft

Weaknesses: CWE-59

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2021-41379 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.