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-2024-21338HIGH
Microsoft Windows 10 Version 1809 — Windows Kernel Elevation of Privilege Vulnerability
  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  H  H  H    7.8   .5981   99.1   YES
AFFECTED
  Product                                         Versions        Fixed
  Windows 10 Version 1809                         10.0.17763.0 –  —
  Windows 10 Version 1809                         10.0.0 –        —
  Windows 10 Version 21H2                         10.0.19043.0 –  —
  Windows 10 Version 22H2                         10.0.19045.0 –  —
  Windows 11 version 21H2                         10.0.0 –        —
  Windows 11 version 22H2                         10.0.22621.0 –  —
  Windows 11 version 22H3                         10.0.22631.0 –  —
  Windows 11 Version 23H2                         10.0.22631.0 –  —
  Windows Server 2019                             10.0.17763.0 –  —
  Windows Server 2019 (Server Core installation)  10.0.17763.0 –  —
  + 2 more
TIMELINE
  Dec 8   Reserved by microsoft
  Mar 4   Added to CISA KEV, remediation due 2024-03-25
  Mar 4   Published (CNA: microsoft)
  Aug 10  EXPLOIT PUBLISHED — CVE-2024-21338 (Microsoft Windows 10 Version 1809). Public exploit reference added.
CWE-822 · CNA: microsoft · CVSS v3.1 · 5 references · NVD status: Analyzed · KEV due March 25, 2024

Description

Windows Kernel Elevation of Privilege Vulnerability

Lifecycle

Complete event history — 4 events, chronological
DateEventDetail
December 8, 2023ReservedReserved by microsoft
March 4, 2024KEV ADDEDAdded to CISA KEV, remediation due 2024-03-25
March 4, 2024PublishedPublished (CNA: microsoft)
August 10, 2026EXPLOIT PUBLISHEDEXPLOIT PUBLISHED — CVE-2024-21338 (Microsoft Windows 10 Version 1809). Public exploit reference added.

Affected

Affected products and packages — 12 rows
VendorProduct / PackageEcosystemVersion introducedFixed
MicrosoftWindows 10 Version 1809—10.0.17763.0—
MicrosoftWindows 10 Version 1809—10.0.0—
MicrosoftWindows 10 Version 21H2—10.0.19043.0—
MicrosoftWindows 10 Version 22H2—10.0.19045.0—
MicrosoftWindows 11 version 21H2—10.0.0—
MicrosoftWindows 11 version 22H2—10.0.22621.0—
MicrosoftWindows 11 version 22H3—10.0.22631.0—
MicrosoftWindows 11 Version 23H2—10.0.22631.0—
MicrosoftWindows Server 2019—10.0.17763.0—
MicrosoftWindows Server 2019 (Server Core installation)—10.0.17763.0—
MicrosoftWindows Server 2022—10.0.20348.0—
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)—10.0.25398.0—

Weaknesses

CWE-822

References (5)

Related

Authoritative record: CVE-2024-21338 at cve.org

Vendors: microsoft

Weaknesses: CWE-822

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2024-21338 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.