Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation More Likely. Customer action: Required.
Details
What privileges could be gained by an attacker who successfully exploited the vulnerability?
A local, authenticated attacker could gain elevated local system or administrator privileges through a vulnerability in the Win32k.sys driver.
Security updates
10.0.22000.434 — https://support.microsoft.com/help/5009566
Vulnerabilities 1
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High 7.0
Win32k Elevation of Privilege Vulnerability
Win32k Elevation of Privilege Vulnerability
Revision history
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#1
Information published.
References
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CVE-2022-21887 Win32k Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21887
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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