CVE-2026-0093: Google Android Privilege Escalation Flaw

CVE-2026-0093 Overview

CVE-2026-0093 affects Google Android versions 14.0, 15.0, and 16.0, including the QPR2 Beta 1, Beta 2, and Beta 3 builds. The vulnerability stems from a misleading user interface caused by obfuscation across multiple locations in the Android operating system. A local attacker can exploit the flaw to escalate privileges without requiring user interaction or additional execution permissions. The weakness is classified under [CWE-451] (User Interface Misrepresentation of Critical Information). Google addressed the issue in the Android Security Bulletin June 2026.

Critical Impact

Local privilege escalation through UI obfuscation that can mislead users into authorizing malicious actions without any interaction beyond normal device use.

Affected Products

• Google Android 14.0
• Google Android 15.0
• Google Android 16.0 (including QPR2 Beta 1, Beta 2, and Beta 3)

Discovery Timeline

• 2026-06-01 - Google publishes the Android Security Bulletin addressing CVE-2026-0093
• 2026-06-01 - CVE-2026-0093 published to NVD
• 2026-06-03 - Last updated in NVD database

Technical Details for CVE-2026-0093

Vulnerability Analysis

The vulnerability is a user interface misrepresentation issue [CWE-451] present in multiple locations within Android. The Android UI obfuscates security-relevant information, allowing a malicious local application to present misleading content to the user. This obfuscation enables privilege escalation because the user or system cannot reliably distinguish trusted UI elements from attacker-controlled ones.

The attack requires only local access with low privileges. No user interaction is required, and confidentiality, integrity, and availability are all impacted. Exploitation could allow a low-privileged application to gain elevated permissions normally reserved for system or privileged components.

Root Cause

The root cause is improper rendering or labeling of security-critical UI elements across multiple Android components. When the UI fails to clearly distinguish between privileged system surfaces and content rendered by an untrusted application, a malicious app can imitate or overlay trusted elements. This obfuscation breaks the trust boundary between user-perceived intent and the actual action authorized by the system.

Attack Vector

The attack vector is local. A malicious application installed on the device can trigger the misleading UI conditions to escalate privileges. Because user interaction is not required for exploitation, the attack can proceed silently once the malicious application is running on the device. Refer to the Android Security Bulletin June 2026 for component-specific technical details.

Detection Methods for CVE-2026-0093

Indicators of Compromise

• Installation of applications requesting overlay, accessibility, or device administrator permissions without clear functional justification.
• Unexpected grants of system-level permissions to recently installed third-party applications.
• Applications appearing in foreground with UI elements that mimic system dialogs or settings screens.

Detection Strategies

• Audit installed application permissions on Android 14, 15, and 16 devices for anomalous privilege grants.
• Monitor mobile device management (MDM) telemetry for applications using SYSTEM_ALERT_WINDOW or accessibility services in conjunction with privilege requests.
• Correlate application install events with subsequent permission elevations through endpoint logging.

Monitoring Recommendations

• Enforce Google Play Protect scanning and review sideloaded application sources across the fleet.
• Track Android security patch level (SPL) compliance against the June 2026 bulletin baseline through MDM reporting.
• Alert on applications targeting older API levels that request elevated capabilities.

How to Mitigate CVE-2026-0093

Immediate Actions Required

• Apply the June 2026 Android security patch level (SPL 2026-06-01 or later) on all affected devices.
• Remove or block Android 16.0 QPR2 Beta builds from production environments until patched stable builds are deployed.
• Restrict installation of applications to vetted sources through enterprise MDM policies.

Patch Information

Google released a fix in the Android Security Bulletin June 2026. Devices must be updated to a security patch level of 2026-06-01 or later. Original equipment manufacturers (OEMs) distribute the patch through their own update channels, and timing can vary by vendor and carrier.

Workarounds

• Disable installation from unknown sources and enforce Google Play as the only application source.
• Revoke overlay and accessibility permissions for applications that do not strictly require them.
• Apply MDM configuration profiles that restrict the use of SYSTEM_ALERT_WINDOW and similar UI-altering permissions.

# Verify Android security patch level via ADB
adb shell getprop ro.build.version.security_patch

# Expected output for patched devices:
# 2026-06-01 (or later)