CVE-2022-21839

Name: CVE-2022-21839
Creator: NVD / NIST
Published: 2022-01-11T21:15:09.43+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 1.51%

Last modified Jun 17, 2026

CVE-2022-21839 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Windows Event Tracing Discretionary Access Control List Denial of Service Vulnerability. EPSS estimates a 1.51% chance of exploitation in the next 30 days.

Description

Windows Event Tracing Discretionary Access Control List Denial of Service Vulnerability

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

1.51%

71.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10	1809
Microsoft	Windows Server 2019	All versions

References

Timeline

Published: Jan 11, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-21839?

Windows Event Tracing Discretionary Access Control List Denial of Service Vulnerability

How severe is CVE-2022-21839?

CVE-2022-21839 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.51% probability of exploitation in the next 30 days.

How do I fix CVE-2022-21839?

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-2022-21839?

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

Scan your code now

Source: NVD / NIST