CVE-2024-21338

high

Description

Windows Kernel Elevation of Privilege Vulnerability

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21338

https://thehackernews.com/2025/04/google-reports-75-zero-days-exploited.html

https://thehackernews.com/2025/02/microsofts-patch-tuesday-fixes-63-flaws.html

https://thehackernews.com/2024/08/north-korean-hackers-deploy-fudmodule.html

https://www.microsoft.com/en-us/security/blog/2024/08/30/north-korean-threat-actor-citrine-sleet-exploiting-chromium-zero-day/

https://thehackernews.com/2024/08/microsoft-patches-zero-day-flaw.html

https://arstechnica.com/security/2024/03/hackers-exploited-windows-0-day-for-6-months-after-microsoft-knew-of-it/

https://www.bleepingcomputer.com/news/security/lazarus-hackers-exploited-windows-zero-day-to-gain-kernel-privileges/

https://decoded.avast.io/janvojtesek/lazarus-and-the-fudmodule-rootkit-beyond-byovd-with-an-admin-to-kernel-zero-day/

https://www.tenable.com/blog/microsoft-patch-tuesday-2024-year-in-review

https://www.tenable.com/blog/microsofts-feb-2024-patch-tuesday-cve-2024-21351-cve-2024-21412

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21338

Details

Source: Mitre, NVD

Published: 2024-02-13

Updated: 2025-10-28

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.78301