CVE-2026-113193 Google CVE debrief

Who should care

Defenders responsible for Google Chrome deployments should assess exposure and prioritize patching to prevent potential memory corruption attacks. This includes IT teams managing Chrome installations, security teams monitoring for potential threats, and operators responsible for maintaining system integrity. Additionally, security teams should review incident response plans to ensure preparedness in case of an attack.

Why it matters

The memory corruption vulnerability in Google Chrome's V8 engine requires defenders to prioritize patching and monitoring to prevent potential attacks.

• Potential memory corruption inside the sandbox
• Remote attackers may exploit this vulnerability via crafted HTML pages
• Defenders should verify and apply patches to prevent exploitation

Technical summary

The vulnerability exists in the V8 engine of Google Chrome prior to version 156.0.8078.47. A remote attacker can exploit this vulnerability by providing a crafted HTML page, potentially leading to memory corruption inside the sandbox. The vulnerability requires defenders to prioritize patching and monitoring to prevent potential attacks. Defenders should verify and apply patches to prevent exploitation and review incident response plans to ensure preparedness in case of an attack. The vulnerability has a high severity rating according to the Chromium security team.

Defensive priority

Defenders should prioritize verifying and applying the patch to prevent potential memory corruption attacks.

Recommended defensive actions

• Verify and apply the patch to Google Chrome
• Monitor for potential memory corruption attacks
• Review and update incident response plans
• 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
• Review compensating controls for exposed systems while remediation is scheduled and verified

Evidence notes

The CVE record and source item provide details on the memory corruption vulnerability in V8 in Google Chrome. The Chromium security severity is High. The vulnerability was reported by an external researcher and patched by Google Chrome. The CVE record was published on 2026-10-20T21:01:48.309Z and has not been modified since then. The source item provides additional details on the vulnerability, including affected versions and potential impacts.

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.