Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
How could an attacker exploit this vulnerability?
An attacker who can execute code in a low-privilege AppContainer could exploit this vulnerability locally to escape the sandbox and elevate privileges on the affected system. No additional user interaction is required.
Security updates
10.0.26100.9974 — https://support.microsoft.com/help/5132061
10.0.26100.9911 — https://support.microsoft.com/help/5132043
10.0.28000.3501 — https://support.microsoft.com/help/5132059
Vulnerabilities 1
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High 8.8
Windows Kernel Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.
Revision history
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#1
Information published.
References
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CVE-2026-112805 Windows Kernel Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-112805
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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