Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
How could an attacker exploit this vulnerability?
An authenticated attacker could run a specially crafted application on a vulnerable Hyper-V guest to exploit this vulnerability which, if successful, could potentially interact with processes of another Hyper-V guest hosted on the same Hyper-V host.
Security updates
10.0.17763.2452 — https://support.microsoft.com/help/5009557
10.0.18363.2037 — https://support.microsoft.com/help/5009545
10.0.19043.1466 — https://support.microsoft.com/help/5009543
10.0.20348.469 — https://support.microsoft.com/help/5009555
10.0.22000.434 — https://support.microsoft.com/help/5009566
10.0.10240.19177 — https://support.microsoft.com/help/5009585
10.0.14393.4886 — https://support.microsoft.com/help/5009546
6.3.9600.20246 — https://support.microsoft.com/help/5009624
6.3.9600.20246 — https://support.microsoft.com/help/5009595
Vulnerabilities 1
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Critical 9.0
Windows Hyper-V Elevation of Privilege Vulnerability
Windows Hyper-V Elevation of Privilege Vulnerability
Revision history
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#1
Information published.
References
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CVE-2022-21901 Windows Hyper-V Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21901
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss