CVE-2026-113018 Google CVE debrief

Who should care

Defenders responsible for managing Google Chrome installations, particularly in environments where untrusted input is common, should assess exposure and prioritize patching. This includes IT teams managing Chrome deployments, security teams responsible for vulnerability management, and operators responsible for ensuring the security of Chrome installations. Defenders should review and update incident response plans to account for potential exploitation and

Why it matters

A memory corruption vulnerability in Google Chrome's IME could potentially allow remote code execution inside the sandbox. Defenders should prioritize verifying and applying the patch, particularly in environments with untrusted input.

• Potential execution of arbitrary code inside the sandbox
• Requires verification of Chrome version and patch deployment
• May impact environments with untrusted input

Technical summary

The vulnerability is caused by a memory corruption issue in Google Chrome's IME (Input Method Editor). This could potentially allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The Chromium security team has assessed this vulnerability as Medium severity. The vulnerability affects Google Chrome installations prior to version 156.0.8078.47 and defenders should prioritize verifying and applying the patch, particularly in environments where untrusted input is common. The patch should be verified and applied to ensure the security of Chrome installations.

Defensive priority

Defenders should prioritize verifying and applying the patch to ensure the security of Chrome installations, particularly in environments where untrusted input is common.

Recommended defensive actions

• Verify and apply the patch to Google Chrome installations
• Monitor Chrome installations for updates and ensure version 156.0.8078.47 or later is deployed
• Review and update incident response plans to account for potential exploitation
• 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 vendor advisories. The vulnerability has been assessed as Medium severity by the Chromium security team. The CVE record was published on 2026-10-20T21:02:00.774Z and has not been modified since then. Defenders should verify the patch and ensure Chrome installations are up-to-date, particularly in environments with untrusted input.

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.