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CVE-2026-9966

Google Chrome - Renderer Process

Google CVSS 8.3 Updated May 29, 2026

Executive Risk Summary

"An integer overflow vulnerability in Google Chrome's XML handling on Windows allows a remote attacker to potentially escape the sandbox via a crafted HTML page. This vulnerability affects Google Chrome versions prior to 148.0.7778.216."

Anticipated Attack Path

  1. 1. Initial Compromise: Attacker compromises the renderer process
  2. 2. Exploitation: Attacker crafts an HTML page to trigger the integer overflow
  3. 3. Sandbox Escape: Attacker potentially escapes the sandbox

Am I Vulnerable?

  • Verify Google Chrome version is 148.0.7778.216 or later
  • Monitor for suspicious activity in the renderer process
  • Apply the latest security updates for Google Chrome

Operational Audit Arsenal

Target Type Process
Target Asset chrome.exe
Standard Path Windows

Manual Verification Required

This is a non-Windows asset (Google). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.

Patch Impact Forecast

Reboot Required Unlikely

Minimal

Internal Work Notes

High-severity vulnerability in Google Chrome requires immediate attention and patching to prevent potential sandbox escape.

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Intelligence Sources

Related Google Threats

Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.