CVE-2023-21536

Name: CVE-2023-21536
Creator: NVD / NIST
Published: 2023-01-10T22:15:14.697+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.7/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2023-21536 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. Event Tracing for Windows Information Disclosure Vulnerability. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

Event Tracing for Windows Information Disclosure Vulnerability

Metrics

CVSS 3.1

4.7/10

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

EPSS Probability

0.40%

31.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10 1809	All versions
Microsoft	Windows 10 20h2	All versions
Microsoft	Windows 10 21h2	All versions
Microsoft	Windows 10 22h2	All versions
Microsoft	Windows 11 21h2	All versions
Microsoft	Windows 11 22h2	All versions
Microsoft	Windows Server 2019	All versions
Microsoft	Windows Server 2022	All versions

References

Timeline

Published: Jan 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21536?

Event Tracing for Windows Information Disclosure Vulnerability

How severe is CVE-2023-21536?

CVE-2023-21536 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21536?

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-2023-21536?

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

Scan your code now

Source: NVD / NIST