CVE-2026-113186 Google CVE debrief

Who should care

Google Chrome users, particularly those with DevTools enabled, should assess exposure to this vulnerability. Defenders should prioritize verifying Chrome version and updating to prevent potential exploitation of this memory corruption vulnerability in DevTools. Operators of Chrome deployments should review the official advisory and CVE record to validate affected scope, severity, and vendor guidance.

Why it matters

Defenders should prioritize verifying Chrome version and updating to prevent potential exploitation of this memory corruption vulnerability in DevTools.

• Verify Chrome version to prevent potential code execution
• Update Chrome to prevent exploitation of this vulnerability

Technical summary

A memory corruption vulnerability exists in DevTools in Google Chrome prior to 156.0.8078.47, which could allow a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. This vulnerability could lead to potential code execution if exploited. The official CVE Program record and NVD vulnerability detail provide additional technical information on this vulnerability. Defenders should prioritize verifying Chrome version and updating to 156.0.8078.47 or later to prevent potential exploitation.

Defensive priority

Defenders should prioritize verifying Chrome version and updating to 156.0.8078.47 or later.

Recommended defensive actions

• Verify Chrome version is 156.0.8078.47 or later
• Update Chrome to 156.0.8078.47 or later
• Monitor DevTools usage for suspicious activity
• 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
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE Program and NVD records indicate a memory corruption vulnerability in Google Chrome prior to 156.0.8078.47. The vulnerability exists in DevTools in Google Chrome prior to 156.0.8078.47, which could allow a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. The CVE record was published on 2026-10-20T21:02:44.158Z and has not been modified since then. The official CVE Program record and NVD vulnerability detail provide additional information on this vulnerability.

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.