CVE-2024-21443

Name: CVE-2024-21443
Creator: NVD / NIST
Published: 2024-03-12T17:15:53.73+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 1.29%

Last modified Jun 17, 2026

CVE-2024-21443 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. Windows Kernel Elevation of Privilege Vulnerability. EPSS estimates a 1.29% chance of exploitation in the next 30 days.

Description

Windows Kernel Elevation of Privilege Vulnerability

Metrics

CVSS 3.1

7.3/10

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

EPSS Probability

1.29%

66.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10 1809	< 10.0.17763.5576
Microsoft	Windows 10 21h2	< 10.0.19044.4170
Microsoft	Windows 10 22h2	< 10.0.19045.4170
Microsoft	Windows 11 21h2	< 10.0.22000.2836
Microsoft	Windows 11 22h2	< 10.0.22621.3296
Microsoft	Windows 11 23h2	< 10.0.22631.3296
Microsoft	Windows Server 2019	< 10.0.17763.5576
Microsoft	Windows Server 2022	< 10.0.20348.2340
Microsoft	Windows Server 2022 23h2	< 10.0.25398.763

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21443Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21443Vendor Advisory

Timeline

Published: Mar 12, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-21443?

Windows Kernel Elevation of Privilege Vulnerability

How severe is CVE-2024-21443?

CVE-2024-21443 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 1.29% probability of exploitation in the next 30 days.

How do I fix CVE-2024-21443?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-21443?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST