How severe is CVE-2024-38080?

CVE-2024-38080 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-38080 being actively exploited?

Yes. CVE-2024-38080 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-07-09, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2024-38080?

CVE-2024-38080 primarily affects Microsoft Windows 11 21h2. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-38080?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2024-38080 have an EU (EUVD) identifier?

Yes. CVE-2024-38080 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37774. It is also flagged as exploited in the EUVD (since 2024-07-09).

When was CVE-2024-38080 published?

CVE-2024-38080 was published on 2024-07-09 and last updated on 2026-06-17.

CVE-2024-38080

CVE-2024-38080 is a high-severity vulnerability in Microsoft Windows 11 21h2 with a CVSS 3.x base score of 7.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2024-07-09). The underlying weakness is classified as CWE-190.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Yes — listed in CISA KEV (added 2024-07-09)
EU (EUVD) id: EUVD-2024-37774
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2024-07-09)
Weakness: CWE-190
Affected product: Microsoft Windows 11 21h2
Published: 2024-07-09
Last modified: 2026-06-17

Description

Windows Hyper-V Elevation of Privilege Vulnerability

Frequently asked questions

What is CVE-2024-38080?: Windows Hyper-V Elevation of Privilege Vulnerability
How severe is CVE-2024-38080?: CVE-2024-38080 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-38080 being actively exploited?: Yes. CVE-2024-38080 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-07-09, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2024-38080?: CVE-2024-38080 primarily affects Microsoft Windows 11 21h2. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-38080?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2024-38080 have an EU (EUVD) identifier?: Yes. CVE-2024-38080 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37774. It is also flagged as exploited in the EUVD (since 2024-07-09).
When was CVE-2024-38080 published?: CVE-2024-38080 was published on 2024-07-09 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*

More vulnerabilities in Microsoft Windows 11 21h2

CVE-2024-38199 — Critical (CVSS 9.8): Windows Line Printer Daemon (LPD) Service Remote Code Execution Vulnerability
CVE-2024-38140 — Critical (CVSS 9.8): Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
CVE-2024-38063 — Critical (CVSS 9.8): Windows TCP/IP Remote Code Execution Vulnerability
CVE-2024-30080 — Critical (CVSS 9.8): Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
CVE-2023-36397 — Critical (CVSS 9.8): Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
CVE-2023-36028 — Critical (CVSS 9.8): Microsoft Protected Extensible Authentication Protocol (PEAP) Remote Code Execution Vulnerability

All CVEs affecting Microsoft Windows 11 21h2 →

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