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CVE-2024-38080 Microsoft CVE debrief

CVE-2024-38080 is a Microsoft Windows Hyper-V privilege escalation vulnerability that CISA added to its Known Exploited Vulnerabilities catalog on 2024-07-09. That designation means defenders should treat it as a priority exposure and review Microsoft guidance for affected Windows and Hyper-V deployments. The supplied source corpus does not provide additional technical detail beyond the vulnerability class and known-exploitation status.

Vendor
Microsoft
Product
Windows
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2024-07-09
Original CVE updated
2024-07-09
Advisory published
2024-07-09
Advisory updated
2024-07-09

Who should care

Windows administrators, virtualization teams, and security staff responsible for Microsoft Hyper-V hosts and any Windows systems that support or depend on Hyper-V.

Technical summary

The official metadata identifies this issue as a privilege escalation vulnerability affecting Microsoft Windows Hyper-V. CISA lists it as known exploited and references Microsoft guidance and NVD for further detail, but the supplied corpus does not include affected-version information, exploitation mechanics, or patch specifics. Use the vendor advisory for remediation and validation decisions.

Defensive priority

High

Recommended defensive actions

  • Review Microsoft guidance for CVE-2024-38080 and apply the relevant fix or mitigation as soon as possible.
  • Treat Hyper-V hosts and other Windows systems in scope as priority assets because CISA lists this vulnerability as known exploited.
  • If vendor mitigations are unavailable for a deployment, follow CISA's guidance to discontinue use of the product or affected feature where feasible.
  • Verify patch status across Windows and virtualization infrastructure and document any exceptions or compensating controls.

Evidence notes

CISA's KEV metadata identifies this as a Microsoft Windows Hyper-V privilege escalation vulnerability, with dateAdded 2024-07-09 and dueDate 2024-07-30. The KEV entry also points to Microsoft MSRC and NVD as reference sources and lists knownRansomwareCampaignUse as Unknown. No further technical details were supplied in the corpus used for this debrief.

Official resources

CISA classified CVE-2024-38080 as a Known Exploited Vulnerability on 2024-07-09. In the supplied corpus, Microsoft and NVD are referenced as official follow-up sources, but their advisory details were not included here.