How severe is CVE-2024-38264?

CVE-2024-38264 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-38264 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-38264?

CVE-2024-38264 primarily affects Microsoft Windows 11 22h2. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-38264?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-38264 have an EU (EUVD) identifier?

Yes. CVE-2024-38264 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37808.

When was CVE-2024-38264 published?

CVE-2024-38264 was published on 2024-11-12 and last updated on 2026-06-17.

CVE-2024-38264

CVE-2024-38264 is a medium-severity vulnerability in Microsoft Windows 11 22h2 with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-591.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-37808
Weakness: CWE-591
Affected product: Microsoft Windows 11 22h2
Published: 2024-11-12
Last modified: 2026-06-17

Description

Microsoft Virtual Hard Disk (VHDX) Denial of Service Vulnerability

Frequently asked questions

What is CVE-2024-38264?: Microsoft Virtual Hard Disk (VHDX) Denial of Service Vulnerability
How severe is CVE-2024-38264?: CVE-2024-38264 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-38264 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-38264?: CVE-2024-38264 primarily affects Microsoft Windows 11 22h2. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-38264?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-38264 have an EU (EUVD) identifier?: Yes. CVE-2024-38264 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37808.
When was CVE-2024-38264 published?: CVE-2024-38264 was published on 2024-11-12 and last updated on 2026-06-17.

References

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

Affected products (8)

cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*

More vulnerabilities in Microsoft Windows 11 22h2

CVE-2025-49708 — Critical (CVSS 9.9): Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges over a network.
CVE-2025-53766 — Critical (CVSS 9.8): Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.
CVE-2025-47981 — Critical (CVSS 9.8): Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to execute code over…
CVE-2025-21307 — Critical (CVSS 9.8): Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
CVE-2025-21298 — Critical (CVSS 9.8): Windows OLE Remote Code Execution Vulnerability
CVE-2024-49112 — Critical (CVSS 9.8): Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability

All CVEs affecting Microsoft Windows 11 22h2 →

Other CWE-591 vulnerabilities

CVE-2024-38131 — High (CVSS 8.8): Clipboard Virtual Channel Extension Remote Code Execution Vulnerability
CVE-2025-27482 — High (CVSS 8.1): Sensitive data storage in improperly locked memory in Remote Desktop Gateway Service allows an unauthorized attacker to…
CVE-2025-24045 — High (CVSS 8.1): Sensitive data storage in improperly locked memory in Windows Remote Desktop Services allows an unauthorized attacker…
CVE-2025-24035 — High (CVSS 8.1): Sensitive data storage in improperly locked memory in Windows Remote Desktop Services allows an unauthorized attacker…
CVE-2025-21309 — High (CVSS 8.1): Windows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2025-21294 — High (CVSS 8.1): Microsoft Digest Authentication Remote Code Execution Vulnerability

Browse all CWE-591 vulnerabilities →