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Fencer Vulns
medium 5.9

CVE-2024-38264 json

Microsoft Virtual Hard Disk (VHDX) Denial of Service Vulnerability

published 2024-11-12 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-37808

cvss
5.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

Microsoft Virtual Hard Disk (VHDX) Denial of Service Vulnerability

Patch / fix

  • Microsoft Windows Server 2025 10.0.26100.2314
  • Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.2314
  • Microsoft Windows 11 version 22H2 10.0.22621.4460
  • Microsoft Windows 11 version 22H3 10.0.22631.4460
  • Microsoft Windows 11 Version 23H2 10.0.22631.4460
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1251
  • Microsoft Windows 11 Version 24H2 10.0.26100.2314

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.9 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
CNA 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Microsoft Windows Server 2025
  • Microsoft Windows Server 2025 (Server Core installation)
  • Microsoft Windows 11 version 22H2
  • Microsoft Windows 11 version 22H3
  • Microsoft Windows 11 Version 23H2
  • Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
  • Microsoft Windows 11 Version 24H2

Classification

Weakness
  • CWE-591 Sensitive Data Storage in Improperly Locked Memory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.