CVE-2026-113306 Google CVE debrief

Who should care

Defenders responsible for managing Google Chrome deployments should assess exposure and prioritize verification and updates. This includes reviewing and implementing additional security measures to prevent similar vulnerabilities. Defenders should also monitor for potential exploitation attempts to detect possible attacks.

Why it matters

CVE-2026-113306 is a low-severity vulnerability in Google Chrome that could allow remote attackers to execute arbitrary code inside the sandbox. Defenders should prioritize verification, updates, and monitoring to prevent potential exploitation.

• Verify and update Google Chrome to version 156.0.8078.47 or later to prevent potential exploitation
• Monitor for potential exploitation attempts to detect possible attacks
• Implement additional security measures to prevent similar vulnerabilities

Technical summary

The vulnerability is caused by improper input validation in Google Chrome prior to version 156.0.8078.47. This could allow a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. The Chromium security severity is rated as Low. Defenders should assess exposure and prioritize verification and updates. The vulnerability affects Google Chrome deployments and defenders should review and implement additional security measures to prevent similar vulnerabilities. The CVE record and source item provide details on the vulnerability, including its description, affected versions, and references to additional information.

Defensive priority

Defenders should prioritize verifying and updating Google Chrome to version 156.0.8078.47 or later, and monitor for potential exploitation attempts.

Recommended defensive actions

• Verify and update Google Chrome to version 156.0.8078.47 or later
• Monitor for potential exploitation attempts
• Review and implement additional security measures to prevent similar vulnerabilities
• 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
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and source item provide details on the vulnerability, including its description, affected versions, and references to additional information. The vulnerability is caused by improper input validation in Google Chrome prior to version 156.0.8078.47. This could allow a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. The Chromium security severity is rated as Low. Defenders should assess exposure and prioritize verification and updates.

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.