CVE-2026-20929
HIGHCVSS Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2Tags
Description
Improper access control in Windows HTTP.sys allows an authorized attacker to elevate privileges over a network.
Analysis
Windows HTTP.sys contains an access control weakness that enables authenticated network attackers to escalate privileges on affected Windows systems including Windows 10 and Windows Server 2016/2019. The vulnerability requires low attack complexity and existing user credentials but grants complete compromise of confidentiality, integrity, and availability. …
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Remediation
Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.
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External POC / Exploit Code
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