CVE-2026-34332

Name: CVE-2026-34332
Creator: NVD / NIST
Published: 2026-05-12T18:17:07.127+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2026-34332 is a high-severity vulnerability rated 8/10 on the CVSS scale. Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to execute code over a network.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to execute code over a network.

Metrics

CVSS 3.1

8/10

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

EPSS Probability

0.51%

39.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Microsoft	Windows Server 2025	< 10.0.26100.32772

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34332Vendor Advisory

Timeline

Published: May 12, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-34332?

Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to execute code over a network.

How severe is CVE-2026-34332?

CVE-2026-34332 has a CVSS score of 8/10 (HIGH severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2026-34332?

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-2026-34332?

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

Scan your code now

Source: NVD / NIST