🚨 CVE‑2025‑6558: Google Chrome Zero-Day Under Active Exploitation | CyberDudeBivash

🗓️ Published: July 28, 2025
📍 Author: CyberDudeBivash
🌐 Website: www.cyberdudebivash.com

🧨 What Happened?

A new high-severity zero-day vulnerability, tracked as CVE‑2025‑6558, has been discovered in Google Chrome’s ANGLE/GPU component, affecting billions of users globally. This flaw is currently being exploited in the wild, raising major concerns for end users, businesses, and national infrastructure.

🧠 Technical Overview

• 🔒 CVE ID: CVE‑2025‑6558
• 📊 CVSS Score: 8.8 (High)
• 💻 Affected Component: ANGLE (Almost Native Graphics Layer Engine) – GPU Rendering Pipeline
• 📎 Vulnerability Type: Input Validation Failure
• 🚨 Exploitation Status: Confirmed In-The-Wild
• 🔁 Impacted Versions: Multiple Chrome versions prior to v126.0.9999.82

🎯 Attack Details

This zero-day vulnerability arises from insufficient input sanitization within Chrome’s ANGLE GPU component, which could allow a remote attacker to craft malicious web content capable of:

• 📤 Escaping the Chrome sandbox
• 🐚 Executing arbitrary code on the host system
• 🧠 Gaining access to local files, camera/mic, or credentials

Security researchers from The Hacker News, Krebs on Security, and GBHackers confirmed the exploitation by multiple exploit kits in phishing and malvertising campaigns.

📉 Who's at Risk?

• 💼 Enterprise Endpoints – Employees browsing malicious sites or opening infected docs
• 🏫 Educational Institutions – BYOD environments with outdated browser versions
• 🧑‍💻 Developers and power users relying on Chrome's advanced rendering capabilities

🛡️ Recommended Action

Google has released a security patch in Chrome version 126.0.9999.82 and later. You must:

✅ Immediate Steps:

• 🔄 Update Chrome: Navigate to Settings → About Chrome and trigger auto-update
• 🔐 Enable Enhanced Safe Browsing
• 🧽 Clear browser cache & stored sessions
• 🔎 Review EDR logs for potential exploit behavior (e.g., Chrome spawning PowerShell)

🔍 Mitigation for Enterprises:

• Use Group Policy to enforce updates
• Isolate unpatched endpoints
• Monitor for suspicious GPU process anomalies in Chrome logs
• Deploy browser isolation tools if necessary

🧩 IOC Indicators

📰 Trusted Sources

• 🔗 NVD - CVE‑2025‑6558
• 📰 The Hacker News Coverage
• 🔍 GBHackers Report
• 🕵️‍♂️ Krebs on Security Deep Dive

🚀 CyberDude’s Closing Note

🔐 A browser is your first line of digital defense—and your biggest exposure.Don’t delay — patch your Chrome browser NOW. Organizations must treat this as a priority-1 incident and verify every endpoint is updated.

💬 Let’s discuss: Have you updated your Chrome yet? Comment below or DM me if you need help patching at scale!📢 Follow CyberDudeBivash for daily alerts, threat analysis, and exclusive incident playbooks!🛡️ Stay updated. Stay hardened. Stay CyberDudeSafe.