CVE & CISA-KEV Catalog

CVE-2024-26254

HIGHEPSS 87th pctl
7.5
CVSS v3
NVD

Description

Microsoft Virtual Machine Bus (VMBus) Denial of Service Vulnerability

CWE-822Untrusted Pointer Dereference

How to fix

Remediation Available
Windows 10 Version 1809Windows
Install:KB5036896Microsoft
Windows 10 Version 21H2Windows
Install:KB5036892Microsoft
Windows 10 Version 22H2Windows
Install:KB5036892Microsoft
Windows 11 Version 22H2Windows
Install:KB5036893Microsoft
Windows 11 Version 23H2Windows
Install:KB5036893Microsoft
Windows 11 version 21H2Windows
Install:KB5036894Microsoft
Windows Server 2019Windows
Install:KB5036896Microsoft
Windows Server 2019 (Server Core installation)Windows
Install:KB5036896Microsoft
Windows Server 2022Windows
Install:KB5036909Microsoft
Windows Server 2022 (Server Core installation)Windows
Install:KB5036909Microsoft
Windows Server 2022, 23H2 Edition (Server Core installation)Windows
Install:KB5036910Microsoft

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

3.14%probability of exploitation in 30 days
87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-822 (Untrusted Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-21768High7.865%-Fix
CVE-2024-21338High7.860%KEV + RansomFix
CVE-2024-35250High7.825%KEVFix
CVE-2023-29360High8.422%KEVFix
CVE-2023-36033High7.812%KEVFix
CVE-2025-50165Critical9.89.5%-Fix

Common questions

How do I fix CVE-2024-26254?

Published advisories record a fix for 11 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-2024-26254 being actively exploited?

Not that we know of. CVE-2024-26254 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 3.1% is the estimated probability that it will be exploited in the next 30 days. That is higher than 87% of all scored CVEs.

How severe is CVE-2024-26254?

CVE-2024-26254 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-2024-26254 affect?

Published advisories record a fix for Windows 10 Version 1809 (Windows), Windows 10 Version 21H2 (Windows), Windows 10 Version 22H2 (Windows), Windows 11 Version 22H2 (Windows), and 7 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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CVE-2024-26254 severity badge

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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 2024-12-05.