CVE-2026-7352: Google Chrome Use-After-Free Vulnerability

CVE-2026-7352 Overview

CVE-2026-7352 is a use-after-free vulnerability in the Media component of Google Chrome on Android. This memory corruption flaw exists in versions prior to 147.0.7727.138 and can be triggered by a remote attacker who has already compromised the renderer process. Successful exploitation allows the attacker to potentially escape the Chrome sandbox through a specially crafted HTML page, leading to broader system compromise.

Critical Impact
This vulnerability enables sandbox escape, allowing an attacker with renderer compromise to gain elevated privileges and execute code outside the browser's security boundaries on Android devices.

Affected Products

Google Chrome on Android prior to version 147.0.7727.138
Chromium-based browsers on Android prior to the patched version

Discovery Timeline

2026-04-28 - CVE-2026-7352 published to NVD
2026-04-29 - Last updated in NVD database

Technical Details for CVE-2026-7352

Vulnerability Analysis

This use-after-free (CWE-416) vulnerability resides in the Media component of Google Chrome on Android. Use-after-free conditions occur when a program continues to use a memory location after it has been freed, leading to undefined behavior. In this case, the vulnerability can be exploited by an attacker who has already gained control of the renderer process.

The flaw requires an attacker to first compromise the renderer through another vulnerability, then leverage this use-after-free condition to escape Chrome's sandbox. The sandbox is a critical security boundary designed to isolate web content from the underlying operating system. A successful sandbox escape significantly amplifies the impact of an initial renderer compromise.

Root Cause

The root cause is a use-after-free memory corruption issue in how the Media component handles media objects. When certain media operations are performed in a specific sequence, a dangling pointer condition can be created where freed memory is subsequently accessed. This memory corruption primitive can be leveraged by an attacker to manipulate program execution flow.

Attack Vector

The attack requires network access and user interaction—specifically, the victim must visit a malicious webpage containing the crafted HTML payload. The attack chain involves:

Initial compromise of the renderer process (prerequisite)
Loading a specially crafted HTML page that triggers the use-after-free in the Media component
Exploiting the memory corruption to escape the sandbox
Gaining elevated privileges outside the browser's security boundary

The attack complexity is high due to the multi-stage nature requiring prior renderer compromise, but the scope change indicates impact beyond the vulnerable component itself.

The vulnerability manifests in the Media component's memory handling routines. For technical implementation details, refer to the Chromium Issue Tracker Entry.

Detection Methods for CVE-2026-7352

Indicators of Compromise

Unusual Chrome process behavior including unexpected child processes or memory access patterns
Crash reports or error logs indicating media-related memory corruption in Chrome on Android
Evidence of sandbox escape attempts such as unauthorized file system access or process creation from Chrome

Detection Strategies

Monitor for Chrome crash dumps containing references to media component memory violations
Deploy endpoint detection solutions capable of identifying use-after-free exploitation patterns
Track Chrome version deployments across Android devices to identify unpatched instances

Monitoring Recommendations

Enable Chrome browser telemetry and crash reporting across managed Android devices
Implement application whitelisting and behavioral analysis for Chrome processes
Monitor network traffic for suspicious HTML content targeting media rendering functions

How to Mitigate CVE-2026-7352

Immediate Actions Required

Update Google Chrome on Android to version 147.0.7727.138 or later immediately
Enable automatic updates for Chrome on all managed Android devices
Consider temporary restrictions on browsing untrusted websites until patches are applied

Patch Information

Google has released a security update addressing this vulnerability. The fix is included in Chrome version 147.0.7727.138 and later releases. Organizations should prioritize updating all Android devices running vulnerable Chrome versions. Detailed patch information is available in the Google Chrome Desktop Update announcement.

Workarounds

Limit browsing to trusted websites only on unpatched devices
Consider using alternative browsers until Chrome can be updated
Implement network-level filtering to block known malicious domains
Enable Chrome Site Isolation if not already active to limit renderer compromise impact

bash

# Verify Chrome version on Android via adb
adb shell dumpsys package com.android.chrome | grep versionName

# Force Chrome update check (requires device management)
# Ensure Google Play Store auto-updates are enabled for Chrome