CVE-2026-76017 Google CVE debrief

Who should care

Google Chrome users, particularly those with Chromoting enabled, should prioritize patching; IT teams managing Chrome deployments should apply updates urgently. Additionally, security teams and vulnerability management teams should review the vulnerability and assess their exposure to potential attacks. Operators of Chrome-based applications and services should also review the vulnerability and take necessary actions to protect their assets.

Technical summary

A critical use-after-free vulnerability exists in Chromoting of Google Chrome versions prior to 151.0.7922.173. This vulnerability allows a remote attacker to execute arbitrary code outside the sandbox via crafted network traffic. The vulnerability is caused by a use-after-free error in the Chromoting component, which can be exploited by a remote attacker to execute arbitrary code. The issue is addressed in Google Chrome version 151.0.7922.173 or later.

Defensive priority

High-severity vulnerability in Google Chrome; immediate patching recommended

Recommended defensive actions

• Apply Google Chrome update 151.0.7922.173 or later
• Verify Chromoting service is not exposed to untrusted networks
• Monitor for suspicious network traffic patterns
• Restrict Chrome's network access if possible
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

Evidence from official vulnerability databases and Google Chrome's stable channel update indicate a critical use-after-free vulnerability in Chromoting; details are limited. The vulnerability allows remote attackers to execute arbitrary code outside the sandbox via crafted network traffic. Defenders should verify Chromoting service exposure, monitor for suspicious network traffic patterns, and restrict Chrome's network access if possible. Additional evidence from Chromium issue tracker entries and Google Chrome's security release notes may provide further context.

Official resources