CVE-2026-32226

Name: CVE-2026-32226
Creator: NVD / NIST
Published: 2026-04-14T18:17:31.19+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 0.54%

Last modified Jun 17, 2026

CVE-2026-32226 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. Concurrent execution using shared resource with improper synchronization ('race condition') in .NET Framework allows an unauthorized attacker to deny service over a network.. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in .NET Framework allows an unauthorized attacker to deny service over a network.

Metrics

CVSS 3.1

5.9/10

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

EPSS Probability

0.54%

41.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-362

Affected Software

Vendor	Product	Versions
Microsoft	.Net Framework	3.5
Microsoft	.Net Framework	4.7.2
Microsoft	.Net Framework	4.8
Microsoft	.Net Framework	4.8.1

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32226Vendor Advisory

Timeline

Published: Apr 14, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-32226?

Concurrent execution using shared resource with improper synchronization ('race condition') in .NET Framework allows an unauthorized attacker to deny service over a network.

How severe is CVE-2026-32226?

CVE-2026-32226 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.

How do I fix CVE-2026-32226?

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-2026-32226?

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

Scan your code now

Source: NVD / NIST