CVE-2025-8882 – This is a use-after-free vulnerability in Chrom... (How to Fix)

Q: What is the severity of CVE-2025-8882?

CVE-2025-8882 has a CVSS score of 8.8 (HIGH). This is a use-after-free vulnerability in Chrome's Aura UI framework that could allow heap corruption. Attackers can exploit it by tricking users into performing specific UI gestures on a malicious webpage. All Chrome users on versions before 139.0.7258.127 are affected.

📋 TL;DR

This is a use-after-free vulnerability in Chrome's Aura UI framework that could allow heap corruption. Attackers can exploit it by tricking users into performing specific UI gestures on a malicious webpage. All Chrome users on versions before 139.0.7258.127 are affected.

💻 Affected Systems

Products:

Google Chrome
Chromium-based browsers

Versions: All versions prior to 139.0.7258.127

Operating Systems: Windows, macOS, Linux, ChromeOS

Default Config Vulnerable: ⚠️ Yes

Notes: All standard Chrome installations are vulnerable. Extensions or security settings don't mitigate this.

📦 What is this software?

Chrome by Google

Google Chrome is the world's most popular web browser, used by over 3 billion users globally across Windows, macOS, Linux, Android, and iOS platforms. As a Chromium-based browser developed by Google, Chrome dominates the browser market with approximately 65% market share, making it a critical compon...

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⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution leading to full system compromise, data theft, or malware installation.

🟠

Likely Case

Browser crash (denial of service) or limited information disclosure.

🟢

If Mitigated

No impact if Chrome is updated to patched version or if users avoid suspicious websites.

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ⚠️ Yes

Complexity: MEDIUM

Requires user interaction (specific UI gestures) but no authentication. No public exploit code available yet.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 139.0.7258.127 and later

Vendor Advisory: https://chromereleases.googleblog.com/2025/08/stable-channel-update-for-desktop_12.html

Restart Required: Yes

Instructions:

1. Open Chrome. 2. Click three-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for and install update. 4. Click 'Relaunch' to restart Chrome.

🔧 Temporary Workarounds

Disable JavaScript

all

Prevents malicious JavaScript from triggering the vulnerability

chrome://settings/content/javascript → Block

Use Click-to-Play for Flash/Plugins

all

Reduces attack surface by requiring user approval for content

chrome://settings/content/flash → Block

🧯 If You Can't Patch

Restrict browsing to trusted websites only
Implement application whitelisting to block Chrome execution

🔍 How to Verify

Check if Vulnerable:

Check Chrome version: If below 139.0.7258.127, you are vulnerable.

Check Version:

On Chrome: chrome://version | On command line: google-chrome --version

Verify Fix Applied:

Confirm Chrome version is 139.0.7258.127 or higher after update.

📡 Detection & Monitoring

Log Indicators:

Chrome crash reports
Unexpected process termination events

Network Indicators:

Connections to known malicious domains serving HTML pages

SIEM Query:

source="chrome_crash_reports" AND version<"139.0.7258.127"

📊 Metadata

CVE ID: CVE-2025-8882

CVSS v3 Score: 8.8 (HIGH)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE: CWE-416

EPSS Score: 0.15% exploit probability (36th percentile)

Published: August 13, 2025

Last Updated: February 26, 2026

🔗 References

https://chromereleases.googleblog.com/2025/08/stable-channel-update-for-desktop_12.html Release Notes,Vendor Advisory
https://issues.chromium.org/issues/435623339 Issue Tracking,Permissions Required

📤 Share & Export

📄 Export Markdown 📋 Export JSON

🔗 Related Vulnerabilities

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