CVE-2024-38080

Windows Hyper-V Elevation of Privilege Vulnerability

CVE-2024-38080 is fixed in 9 products on 1 platform, first by KB5040442, released July 9, 2024. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on July 9, 2024. Patch Radar priority: Patch now.

Patch nowCISA KEV

CVSS

7.8

Important

Exploitation

Exploited

Reported by the vendor

CISA KEV

Jul 9, 2024

Federal due date Jul 30, 2024

EPSS

0.0706

94th percentile

Where it's fixed

Product	Fixed in	Fix	Released
Microsoft
Windows 11 Version 22H2 for ARM64-based Systems		KB5040442	Jul 9, 2024
Windows 11 Version 22H2 for x64-based Systems		KB5040442	Jul 9, 2024
Windows 11 Version 23H2 for ARM64-based Systems		KB5040442	Jul 9, 2024
Windows 11 Version 23H2 for x64-based Systems		KB5040442	Jul 9, 2024
Windows 11 version 21H2 for ARM64-based Systems	22000.3079	KB5040431	Jul 9, 2024
Windows 11 version 21H2 for x64-based Systems	22000.3079	KB5040431	Jul 9, 2024
Windows Server 2022	20348.2582	KB5040437	Jul 9, 2024
Windows Server 2022 (Server Core installation)	20348.2582	KB5040437	Jul 9, 2024
Windows Server 2022, 23H2 Edition (Server Core installation)	25398.1009	KB5040438	Jul 9, 2024

Details

Published
July 9, 2024
Weakness
Integer Overflow or Wraparound
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38080

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