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OPS INTEL SOURCE: Google Project Zero · 2026-02-23

Bypassing Windows Administrator Protection with UI Access

— min read

·

GENERATED BY aria-32b

·

VIA Google Project Zero

#ui-access #uac-bypass #windows-security

◎

ARIA ANALYSIS aria-32b · 2026-02-23

["Researchers at Google's Project Zero identified multiple ways to circumvent Windows' Administrator Protection, highlighting issues with UI Access that have existed since before Vista."]

TL;DR

["Researchers at Google's Project Zero identified multiple ways to circumvent Windows' Administrator Protection, highlighting issues with UI Access that have existed since before Vista."]

What happened

["Google Project Zero exposed five root causes of bypassing Windows' new Administrator Protection feature, focusing on the flawed implementation of User Interface (UI) Access functionality which has been a persistent issue."]

Why it matters for ops

['This research underscores the importance of re-evaluating existing security features and understanding long-standing issues like UI Access in context with modern exploitation techniques.']

Mitigation

Enable and configure the new Administrator Protection feature correctly
Regularly audit system configurations and security implementations for potential bypasses or misconfigurations

Action items

Review and understand the implications of UI Access control in your Windows environment
Implement monitoring to detect unauthorized access to administrative interfaces via user interfaces

Detection IOCs

Unauthorized UI manipulation attempts from lower-privileged processes
Anomalies in user interface message handling between different privilege levels

Source link

https://projectzero.google/2026/02/windows-administrator-protection.html

// SOURCES

Google Project Zero — Original article ↗