high Known exploitedREV. 01
CVE-2024-38080Windows Hyper-V — integer overflow raises a local user
An integer overflow in Windows Hyper-V lets an attacker who already runs code on the host reach its highest account (SYSTEM). Microsoft publishes the class of the flaw and nothing about the code path it lives in.
Read the risk
THE VITAL STATS- CVSS score
- 7.8/ 10 CVSS v3.1
- EPSS probability
- 7% Likelihood of exploitation
- Attack complexity
- Low Conditions needed to exploit
- Known exploited
- Yes — CISA KEV
- CVE published
- 2024-07-09
- Added to KEV
- 2024-07-09
- Exploit published
- Not recorded
- Confidence
- medium
- Kill chain
- privilege escalation
- MITRE ATT&CK
- T1068
- Severity
- high
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attacker needsThe attacker must already be able to run code on the host as a local user.
Behind the card
3 REFERENCES- 01CVE recordNVD recordnvd.nist.gov
- 02CISACISA Known Exploited Vulnerabilities catalogcisa.gov
- 03Vendor advisorymsrc.microsoft.commsrc.microsoft.com
Field-level provenanceTRACE THE SOURCES +
Which source supports each field, when it was retrieved, and who extracted it.
| Fields | Source | Retrieved | Extractor | Confidence |
|---|---|---|---|---|
| cvss, exploitation.attack_complexity, exploitation.exploit_available, references, published_at | nvd.nist.gov | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| exploitation.known_exploited, exploitation.kev_added | cisa.gov | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| epss | api.first.org | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| title, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisites | nvd.nist.gov | 2026-09-24 | claude-code | high |
Printing history
THE RECORD- r1Initial base card
First printing. This card has not been reprinted since publication.