CVE-2022-38015 — Windows Hyper-V Denial of Service Vulnerability

Executive Summary

None

Overview

6.5

CVSS MEDIUM

Critical

MS Severity

Not Exploited

MS Exploit Status

Less Likely

MS Exploit Likelihood

Category Denial of Service

Released Nov 8 2022

Last Updated Nov 8 2022

Publicly Disclosed No

CISA KEV Not Listed

Known Exploits None Known

EPSS Score 0.00628 — 0.45284 percentile

CVSS Vector

ATTACK VECTOR

Local

ATTACK COMPLEXITY

Low

PRIVILEGES REQUIRED

Low

USER INTERACTION

None

SCOPE

Changed

Temporal Score: 5.7

EPSS Score

0.00628

probability of exploitation in the next 30 days

0.45284 percentile - updated 2026-06-20

View on FIRST.org

Affected Products

14 affected products

Product	KB Article	Severity	Impact	Restart Required
Windows 10 for x64-based Systems	`5019970 (Security Update)`	Critical	Denial of Service	Yes
Windows 10 Version 1607 for x64-based Systems	`5019964 (Security Update)`	Critical	Denial of Service	Yes
Windows 10 Version 1809 for x64-based Systems	`5019966 (Security Update)`	Critical	Denial of Service	Yes
Windows 10 Version 21H1 for x64-based Systems	`5019959 (Security Update)`	Critical	Denial of Service	Yes
Windows 10 Version 21H2 for x64-based Systems	`5019959 (Security Update)`	Critical	Denial of Service	Yes
Windows 10 Version 22H2 for x64-based Systems	`5019959 (Security Update)`	Critical	Denial of Service	Yes
Windows 11 version 21H2 for x64-based Systems	`5019961 (Security Update)`	Critical	Denial of Service	Yes
Windows 11 Version 22H2 for x64-based Systems	`5019980 (Security Update)`	Critical	Denial of Service	Yes
Windows Server 2016	`5019964 (Security Update)`	Critical	Denial of Service	Yes
Windows Server 2016 (Server Core installation)	`5019964 (Security Update)`	Critical	Denial of Service	Yes
Windows Server 2019	`5019966 (Security Update)`	Critical	Denial of Service	Yes
Windows Server 2019 (Server Core installation)	`5019966 (Security Update)`	Critical	Denial of Service	Yes
Windows Server 2022	`5019081 (Security Update) 5019080 (Security Hotpatch Update)`	Critical	Denial of Service	Yes
Windows Server 2022 (Server Core installation)	`5019081 (Security Update) 5019080 (Security Hotpatch Update)`	Critical	Denial of Service	Yes

Patches

7 patches

Article	Type	Restart
`5019970`	Security Update	Yes
`5019964`	Security Update	Yes
`5019966`	Security Update	Yes
`5019959`	Security Update	Yes
`5019961`	Security Update	Yes
`5019980`	Security Update	Yes
`5019081 (Security Update) 5019080`	Security Update	Yes

Known Exploits

No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.

Acknowledgments

Safebreach

References

MSRC Advisory MITRE NVD