SARA / Free Tools / CVE / CVE-2024-38264

CVE-2024-38264 — Microsoft Virtual Hard Disk (VHDX) Denial of Service Vulnerability

Microsoft Virtual Hard Disk (VHDX) Denial of Service Vulnerability

CVSS

5.9 MEDIUM

EPSS

22.00% (top 55.70%)

CWE

CWE-591

Published

2024-11-12T17:53:50.740Z

Last modified

2025-07-08T15:41:17.734Z

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

01What is this vulnerability?

Microsoft Virtual Hard Disk (VHDX) Denial of Service Vulnerability

Vendor	Product	Versions
Microsoft	Windows Server 2025	10.0.26100.0
Microsoft	Windows Server 2025 (Server Core installation)	10.0.26100.0
Microsoft	Windows 11 version 22H2	10.0.22621.0
Microsoft	Windows 11 version 22H3	10.0.22631.0
Microsoft	Windows 11 Version 23H2	10.0.22631.0
Microsoft	Windows Server 2022, 23H2 Edition (Server Core installation)	10.0.25398.0
Microsoft	Windows 11 Version 24H2	10.0.26100.0

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

msrc.microsoft.com — https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38264

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