CVE & CISA-KEV Catalog

CVE-2024-43642

HIGHEPSS 99th pctl
7.5
CVSS v3
NVD

Description

Windows SMB Denial of Service Vulnerability

CWE-416Use After Free

How to fix

Remediation Available
Windows 11 Version 22H2Windows
Install:KB5046633Microsoft
Windows 11 Version 23H2Windows
Install:KB5046633Microsoft
Windows 11 Version 24H2Windows
Install:KB5046617Microsoft
Install:KB5046696Microsoft
Windows Server 2022Windows
Install:KB5046698Microsoft
Install:KB5046616Microsoft
Windows Server 2022 (Server Core installation)Windows
Install:KB5046616Microsoft
Install:KB5046698Microsoft
Windows Server 2022, 23H2 Edition (Server Core installation)Windows
Install:KB5046618Microsoft
Windows Server 2025Windows
Install:KB5046696Microsoft
Install:KB5046617Microsoft
Windows Server 2025 (Server Core installation)Windows
Install:KB5046696Microsoft
Install:KB5046617Microsoft

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

62.26%probability of exploitation in 30 days
99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2019-0708Critical9.8100%KEV + Ransom-
CVE-2021-31166Critical9.8100%KEVFix
CVE-2015-5119Critical9.899%KEV-
CVE-2010-3962High8.196%KEV-
CVE-2015-0313Critical9.896%KEVFix
CVE-2021-34833High7.896%--

Common questions

How do I fix CVE-2024-43642?

Published advisories record a fix for 8 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2024-43642 being actively exploited?

Not that we know of. CVE-2024-43642 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 62.3% is the estimated probability that it will be exploited in the next 30 days. That is higher than 99% of all scored CVEs.

How severe is CVE-2024-43642?

CVE-2024-43642 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2024-43642 affect?

Published advisories record a fix for Windows 11 Version 22H2 (Windows), Windows 11 Version 23H2 (Windows), Windows 11 Version 24H2 (Windows), Windows Server 2022 (Windows), and 4 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2024-43642
CVE-2024-43642 severity badge

Markdown

[![CVE-2024-43642](https://tridentstack.com/cve/badge/CVE-2024-43642.svg)](https://tridentstack.com/cve/CVE-2024-43642)

HTML

<a href="https://tridentstack.com/cve/CVE-2024-43642"><img src="https://tridentstack.com/cve/badge/CVE-2024-43642.svg" alt="CVE-2024-43642"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it worksStart freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-18.