CVE-2022-44682: Windows Hyper-V Denial of Service Vulnerability

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-12-13 · updated 2026-06-17

Description

Windows Hyper-V Denial of Service Vulnerability

Affected products

Microsoft Windows 10 Version 1607: 20h2, 21h2, 22h2, 1607, 1809
Microsoft Windows 11 version 21H2: all versions
Microsoft Windows 11: all versions
Microsoft Windows 8.1: all versions
Microsoft Windows Server 2012: r2
Microsoft Windows Server 2016: all versions
Microsoft Windows Server 2019: all versions
Microsoft Windows Server 2022: all versions
Microsoft Windows 10 Version 1507: from 10.0.10240.0 before 10.0.10240.19624 — fixed in 10.0.10240.19624
Microsoft Windows 10 1607: from 10.0.14393.0 before 10.0.14393.5582 — fixed in 10.0.14393.5582
Microsoft Windows 10: from 10.0.17763.0 before 10.0.17763.3770 — fixed in 10.0.17763.3770
Microsoft Windows 10 21H1: from 10.0.0 before 10.0.19043.2364 — fixed in 10.0.19043.2364
Microsoft Windows 10: from 10.0.19044.0 before 10.0.19044.2364 — fixed in 10.0.19044.2364
Microsoft Windows 10: from 10.0.19045.0 before 10.0.19045.2364 — fixed in 10.0.19045.2364
Microsoft Windows 11 21H2: from 10.0.22000.0 before 10.0.22000.1335 — fixed in 10.0.22000.1335
Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.993 — fixed in 10.0.22621.993
Microsoft Windows 8.1: from 6.3.0 before 6.3.9600.20721 — fixed in 6.3.9600.20721
Microsoft Windows Server 2012: from 6.2.9200.0 before 6.2.9200.24018 — fixed in 6.2.9200.24018
Microsoft Windows Server 2012 R2: from 6.3.9600.0 before 6.3.9600.20721 — fixed in 6.3.9600.20721
Microsoft Windows Server 2016: from 10.0.14393.0 before 10.0.14393.5582 — fixed in 10.0.14393.5582
Microsoft Windows Server 2019: from 10.0.17763.0 before 10.0.17763.3770 — fixed in 10.0.17763.3770
Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.1366 — fixed in 10.0.20348.1366

How to fix

Upgrade to a fixed version: Microsoft Windows 10 Version 1507 10.0.10240.19624; Microsoft Windows 10 1607 10.0.14393.5582; Microsoft Windows 10 10.0.17763.3770; Microsoft Windows 10 21H1 10.0.19043.2364; Microsoft Windows 10 10.0.19044.2364; Microsoft Windows 10 10.0.19045.2364; Microsoft Windows 11 21H2 10.0.22000.1335; Microsoft Windows 11 10.0.22621.993; Microsoft Windows 8.1 6.3.9600.20721; Microsoft Windows Server 2012 6.2.9200.24018; Microsoft Windows Server 2012 R2 6.3.9600.20721; Microsoft Windows Server 2016 10.0.14393.5582. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2022-44682 or the next vulnerability affects your stack