CVE-2026-110166 Google CVE debrief

Who should care

Google Chrome users, administrators, and security teams should assess exposure and prioritize remediation for versions prior to 155.0.8059.79. They should also verify and apply the security update to Google Chrome, monitor Google Chrome for any suspicious activity, and review and update incident response plans to address potential sandbox escapes. Additionally, they should confirm whether affected product deployments exist in managed environments and plan

Why it matters

CVE-2026-110166 is a high-severity buffer overflow vulnerability in Google Chrome's Animation component that could allow remote code execution within the sandbox. Google Chrome users, administrators, and security teams should assess exposure and prioritize remediation for versions prior to 155.0.8059.79. The vulnerability requires verification of affected versions and exploitation attempts. Limited evidence is available on actual exploitation and impact.

• Remote code execution within the sandbox
• Potential for sandbox escape if exploited in conjunction with other vulnerabilities
• Need for urgent patching to prevent exploitation
• Potential for crafted HTML pages to be used as attack vectors

Technical summary

The buffer overflow vulnerability in Google Chrome's Animation component could allow a remote attacker to execute arbitrary code within the sandbox via a crafted HTML page. The affected version is prior to 155.0.8059.79. This issue has a high severity rating and requires immediate attention from Google Chrome users and administrators. The vulnerability is related to the Animation component and can be exploited through a crafted HTML page. Users and administrators should verify and apply the security update to Google Chrome to prevent exploitation.

Defensive priority

High

Recommended defensive actions

• Assess exposure and prioritize remediation for Google Chrome versions prior to 155.0.8059.79
• Verify and apply the security update to Google Chrome
• Monitor Google Chrome for any suspicious activity
• Review and update incident response plans to address potential sandbox escapes
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed

Evidence notes

The CVE record and source item provide details on the buffer overflow vulnerability in Google Chrome's Animation component. The Chromium security severity is rated as High. The affected version is prior to 155.0.8059.79.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.