CVE-2026-113007 Google CVE debrief

Who should care

Defenders responsible for managing Google Chrome deployments should assess exposure and prioritize updates. This includes IT teams managing Chrome installations in their environments, security teams responsible for vulnerability management, and operators who rely on Chrome for critical tasks. These stakeholders should verify Google Chrome versions and the integrity of HTML pages to mitigate this risk.

Why it matters

Defenders should care about CVE-2026-113007 as it involves memory corruption in Google Chrome Permissions, potentially allowing arbitrary code execution outside the sandbox. This requires verification of Google Chrome versions and integrity of HTML pages.

• Potential arbitrary code execution outside the sandbox
• Memory corruption in Permissions
• Verification of Google Chrome version and integrity of HTML pages

Technical summary

Memory corruption in Permissions in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. The vulnerability is caused by a memory corruption issue in the Permissions component of Google Chrome. This issue can be exploited by a remote attacker through a crafted HTML page, potentially leading to arbitrary code execution outside the sandbox. The severity of this vulnerability is rated as Medium by Chromium. Defenders should prioritize updates for Google Chrome deployments to mitigate this risk.

Defensive priority

High

Recommended defensive actions

• Update Google Chrome to version 156.0.8078.47 or later
• Review and verify the integrity of HTML pages before opening them
• Implement sandboxing and isolation measures for Chrome
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• 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

Official CVE Program record and NIST NVD detail page provide information on the vulnerability. Google Chrome versions prior to 156.0.8078.47 are affected. The CVE record was published on 2026-10-20T21:02:27.209Z and has not been modified since then. The vulnerability has a medium severity rating according to Chromium. There are no known instances of exploitation at the time of publication. Defenders should review the official advisory and CVE record to validate affected scope, severity, and vendor guidance.

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.