CVE-2026-35424

Name: CVE-2026-35424
Creator: NVD / NIST
Published: 2026-05-12T18:17:13.253+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.19%

Last modified Jun 17, 2026

CVE-2026-35424 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Missing release of memory after effective lifetime in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.. EPSS estimates a 1.19% chance of exploitation in the next 30 days.

Description

Missing release of memory after effective lifetime in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.19%

64.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-401

Affected Software

Vendor	Product	Versions
Microsoft	Windows 10 1607	< 10.0.14393.9140
Microsoft	Windows 10 1809	< 10.0.17763.8755
Microsoft	Windows 10 21h2	< 10.0.19044.7291
Microsoft	Windows 10 22h2	< 10.0.19045.7291
Microsoft	Windows 11 23h2	< 10.0.22631.7079
Microsoft	Windows 11 24h2	< 10.0.26100.8390
Microsoft	Windows 11 25h2	< 10.0.26200.8390
Microsoft	Windows 11 26h1	< 10.0.28000.2113
Microsoft	Windows Server 2012	All versions
Microsoft	Windows Server 2012	r2
Microsoft	Windows Server 2016	< 10.0.14393.9140
Microsoft	Windows Server 2019	< 10.0.17763.8755
Microsoft	Windows Server 2022	< 10.0.20348.5074
Microsoft	Windows Server 2022 23h2	< 10.0.25398.2330
Microsoft	Windows Server 2025	< 10.0.26100.32772

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35424Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2026-35424?

Missing release of memory after effective lifetime in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.

How severe is CVE-2026-35424?

CVE-2026-35424 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.19% probability of exploitation in the next 30 days.

How do I fix CVE-2026-35424?

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-2026-35424?

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

Scan your code now

Source: NVD / NIST