CVE-2024-43642

Name: CVE-2024-43642
Creator: NVD / NIST
Published: 2024-11-12T18:15:33.96+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 62.26%

Last modified Jun 17, 2026

CVE-2024-43642 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Windows SMB Denial of Service Vulnerability. EPSS estimates a 62.26% chance of exploitation in the next 30 days.

Description

Windows SMB Denial of Service Vulnerability

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

62.26%

99.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Microsoft	Windows 11 22h2	< 10.0.22621.4460
Microsoft	Windows 11 23h2	< 10.0.22631.4460
Microsoft	Windows 11 24h2	< 10.0.26100.2314
Microsoft	Windows Server 2022	< 10.0.20348.2849
Microsoft	Windows Server 2022 23h2	< 10.0.25398.1251
Microsoft	Windows Server 2025	< 10.0.26100.2314

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43642Patch, Vendor Advisory

Timeline

Published: Nov 12, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-43642?

Windows SMB Denial of Service Vulnerability

How severe is CVE-2024-43642?

CVE-2024-43642 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 62.26% probability of exploitation in the next 30 days.

How do I fix CVE-2024-43642?

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-2024-43642?

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

Scan your code now

Source: NVD / NIST