CVE-2026-96158 · Infrastructure
NO FIX YET
Microsoft's ActiveX Installer Service reads a resource that was never initialized, so an attacker with a local account can elevate privileges. The attacker must already be able to run code on the machine.
first public Nov 10, 2026 · 1 source
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Windows machines that have the ActiveX Installer Service present and where users hold local accounts. The sources do not give affected builds or whether the service is enabled by default. Systems with no untrusted local users are at lower risk.
Who cares activex-installer-service, windows
Unknown from the sources. In the analyst’s queue.
No fix yet, per the sources.
Use of uninitialized resource in Microsoft ActiveX Installer Service allows an authorized attacker to elevate privileges locally.
This page as .md · .json · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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