What is CVE-2022-23268?

CVE-2022-23268 is a medium-severity vulnerability in Microsoft Windows 11. CVSS score: 6.5/10. Published 2022-04-15.

How severe is CVE-2022-23268?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Microsoft Windows 11

CVE-2022-23268

Windows Hyper-V Denial of Service Vulnerability

Published 2022-04-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.5th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.000

Affected products

Microsoft Windows 11
Microsoft Windows 11 Version 21h2 — versions 10.0.0
Microsoft Windows Server 2022 — versions 10.0.20348.0
Microsoft Windows Server 2022

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2022-23268 (vendor-advisory)

Frequently asked questions

What is CVE-2022-23268?: CVE-2022-23268 is a medium-severity vulnerability in Microsoft Windows 11. CVSS score: 6.5/10. Published 2022-04-15.
How severe is CVE-2022-23268?: Medium severity. CVSS v3 base score is 6.5 out of 10.