Security readout for executives and security teams
Plain-English summary
This is a Windows Hyper-V privilege escalation flaw. An attacker who already has low-level local access could gain higher privileges on affected systems. Because CISA lists it in KEV, organizations should treat it as actively exploited and prioritize patching Hyper-V-capable Windows assets.
Executive priority
High priority. KEV status means exploitation is known, and successful abuse could turn limited local access into full system control. Patch affected Hyper-V-capable Windows assets promptly, especially servers and privileged administration workstations.
Technical view
CVE-2024-38080 is a high-severity Windows Hyper-V elevation-of-privilege vulnerability tied to CWE-190. The CVSS 3.1 vector is local, low complexity, low privileges required, no user interaction, with high confidentiality, integrity, and availability impact. Microsoft published patched guidance through MSRC.
Likely exposure
Likely exposure includes affected Windows Server 2022, Windows Server 2022 23H2 Server Core, and Windows 11 21H2, 22H2, 22H3, and 23H2 systems where Hyper-V is present. Exposure depends on local access, not direct internet reachability.
Exploitation context
CISA KEV inclusion supports known exploitation. The provided sources do not describe exploit mechanics, affected campaigns, or scale. Treat this as a local post-compromise escalation risk that can increase attacker control after initial access.
Researcher notes
The bundle confirms CWE-190, CVSS 7.8, affected Microsoft products, MSRC patch availability, and CISA KEV status. It does not provide root cause details, proof-of-concept status, exploitation method, or indicators of compromise.
Mitigation direction
- Apply Microsoft security updates for CVE-2024-38080 from MSRC guidance.
- Prioritize systems running Hyper-V or virtualization workloads.
- Limit local interactive access to affected Windows systems.
- Review CISA KEV requirements for remediation urgency.
- Check Microsoft guidance for any superseding updates or advisories.
Validation and detection
- Inventory affected Windows Server and Windows 11 builds listed by MSRC.
- Confirm Hyper-V role or feature presence on those assets.
- Verify installed updates include the Microsoft fix for CVE-2024-38080.
- Review endpoint telemetry for unusual local privilege escalation activity.
- Confirm no vulnerable systems remain in virtualization or admin tiers.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-190: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2024-38080 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- Windows Hyper-V Elevation of Privilege VulnerabilityCVE reference · vendor-advisory, patch
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-38080CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Integer Overflow or Wraparound
Integer Overflow or Wraparound represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.