Cyber Resilience

CVE-2022-22042

Medium

Published: 12 July 2022

Published
12 July 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.1759 95.2th percentile
Risk Priority 24 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-22042 is a medium-severity an unspecified weakness vulnerability in Microsoft Windows 10. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 4.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

Windows Hyper-V contains an information disclosure vulnerability tracked as CVE-2022-22042. The flaw affects the Hyper-V hypervisor component in supported Windows versions and carries a CVSS 3.1 score of 6.5, reflecting a network-accessible vector that requires low privileges and yields high confidentiality impact without affecting integrity or availability.

An authenticated attacker with low privileges can exploit the issue over the network to disclose sensitive information from the Hyper-V host. The attack requires no user interaction and does not cross security boundaries, allowing the adversary to read data that would otherwise be protected.

Microsoft has published official guidance and patches for the vulnerability through its Security Response Center at the referenced advisory URL. The EPSS score reached a peak of 0.2087 with a current value of 0.1759, indicating moderate and relatively stable exploitation interest since disclosure.

EU & UK References

Vulnerability details

Windows Hyper-V Information Disclosure Vulnerability

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microsoft
windows 10
1607, 1809, 20h2, 21h1, 21h2
microsoft
windows 11
all versions
microsoft
windows 7
all versions
microsoft
windows 8.1
all versions
microsoft
windows server 2008
r2
microsoft
windows server 2012
all versions, r2
microsoft
windows server 2016
20h2, all versions
microsoft
windows server 2019
all versions
microsoft
windows server 2022
all versions

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References