CVE-2026-113052 Google CVE debrief

Who should care

Defenders responsible for securing Google Chrome deployments should assess exposure and prioritize updates. System administrators and security teams should verify that Chrome is updated to version 156.0.8078.47 or later. Security teams should also monitor for suspicious activity and implement sandboxing and isolation measures to prevent exploitation.

Why it matters

CVE-2026-113052 is a memory corruption vulnerability in Google Chrome that allows remote attackers to execute arbitrary code inside the sandbox. Defenders should prioritize updates and monitor for suspicious activity.

• Remote attackers may execute arbitrary code inside the sandbox
• Successful exploitation requires user interaction via crafted HTML pages
• Defenders should verify Chrome version and monitor for suspicious activity
• Remediation priority is high due to potential for code execution

Technical summary

The vulnerability is caused by a memory corruption issue in the V8 engine used by Google Chrome. This can be exploited by a remote attacker to execute arbitrary code inside the sandbox via a specially crafted HTML page. The vulnerability has a medium security severity rating from Chromium. Defenders should assess exposure and prioritize updates to mitigate potential impacts. The CVE record and source item provide details on the memory corruption vulnerability in V8 in Google Chrome. The Chromium security severity is rated as Medium.

Defensive priority

High

Recommended defensive actions

• Update Google Chrome to version 156.0.8078.47 or later
• Monitor for suspicious HTML page activity
• Implement sandboxing and isolation measures
• 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 record and source item provide details on the memory corruption vulnerability in V8 in Google Chrome. The Chromium security severity is rated as Medium. The vulnerability allows remote attackers to execute arbitrary code inside the sandbox via crafted HTML pages. Defenders should verify Chrome version and monitor for suspicious activity. The CVE record was published on 2026-10-20T21:02:36.008Z and has not been modified since then. The source item from cve_program_cvelist_v5 provides additional context on the 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.