CVE-2026-113001 Google CVE debrief

Who should care

Defenders responsible for managing Google Chrome deployments should assess exposure and prioritize updating to the latest version to mitigate this vulnerability. This includes IT teams, security teams, and anyone responsible for ensuring the security of Chrome deployments within their organization. Additionally, developers who work with HTML pages and Chrome extensions should be aware of the potential risks and take steps to mitigate them.

Why it matters

CVE-2026-113001 is a use-after-free vulnerability in Google Chrome's Workers feature that allows remote attackers to execute arbitrary code within the sandbox. Defenders should prioritize verifying and updating Google Chrome to version 156.0.8078.47 or later to mitigate this vulnerability.

• Remote code execution within the sandbox
• Potential for crafted HTML pages to exploit the vulnerability
• Need for verification and updates to Google Chrome

Technical summary

The CVE-2026-113001 vulnerability involves a use-after-free issue in Google Chrome's Workers feature. This allows remote attackers to execute arbitrary code within the sandbox by providing a crafted HTML page. The issue was addressed in Chrome version 156.0.8078.47. The vulnerability was reported by external researchers and patched promptly by Google. Defenders should prioritize verifying and updating Google Chrome to version 156.0.8078.47 or later to mitigate this vulnerability. The technical details of the vulnerability are limited, but it is clear that the issue is serious and requires immediate attention.

Defensive priority

Defenders should prioritize verifying and updating Google Chrome to version 156.0.8078.47 or later to mitigate this vulnerability.

Recommended defensive actions

• Verify and update Google Chrome to version 156.0.8078.47 or later
• Review and implement secure coding practices for HTML page handling
• Monitor for suspicious activity related to crafted HTML pages
• 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 official advisories. The issue was reported by external researchers and patched promptly by Google. The CVE record was published on 2026-10-20T21:02:24.733Z and has not been modified since then. The source item provides additional context on the vulnerability and its impact.

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.