CVE-2024-38080: Microsoft Windows Hyper-V Privilege Escalation Vulnerability

CVE-2024-38080 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2024-07-09

Microsoft Windows Hyper-V contains an elevation of privilege vulnerability caused by an integer overflow. A local attacker with user-level permissions can exploit this flaw to gain SYSTEM privileges on the affected host.

Technologies: Microsoft Windows. Vendors: Microsoft.

Quick answers

Is CVE-2024-38080 exploited in the wild?
Yes. CVE-2024-38080 is known to be exploited in the wild, first recorded on 9 July 2024. Treat it as urgent.
How severe is CVE-2024-38080?
Critical severity, with a CVSS score of 7.8, published 9 July 2024.
Which products and versions are affected?
Microsoft Windows 11 21H2 up to (excluding) 10.0.22000.3079; Microsoft Windows 11 22H2 up to (excluding) 10.0.22621.3880; Microsoft Windows 11 23H2 up to (excluding) 10.0.22631.3880; Microsoft Windows Server 2022 up to (excluding) 10.0.20348.2582; and 1 more.
Is there a fix for CVE-2024-38080?
A patch was published on 2024-07-09. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2024-38080 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2024-38080?
Check whether you run Microsoft Windows or Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft Windows 11 21H2 up to (excluding) 10.0.22000.3079
  • Microsoft Windows 11 22H2 up to (excluding) 10.0.22621.3880
  • Microsoft Windows 11 23H2 up to (excluding) 10.0.22631.3880
  • Microsoft Windows Server 2022 up to (excluding) 10.0.20348.2582
  • Microsoft Windows Server 2022 23H2 up to (excluding) 10.0.25398.1009

Timeline

  • 2024-07-09: disclosed
  • 2024-07-09: patched
  • 2024-07-09: kev added: Added to CISA KEV catalog due to active exploitation.
  • 2024-07-09: exploited

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