CVE-2026-113113 Google CVE debrief

Who should care

IT and security teams responsible for managing Google Chrome deployments, particularly in environments where browser security is critical, should assess exposure and prioritize updating Chrome to the latest version. This includes organizations using Chrome for business, education, or government purposes.

Why it matters

CVE-2026-113113 is a use-after-free vulnerability in Google Chrome's Extensions that allows remote attackers to execute arbitrary code within the sandbox. This vulnerability requires immediate attention from IT and security teams to update Chrome to version 156.0.8078.47 or later, ensuring the security and stability of browser deployments.

• Potential for remote code execution within the sandbox, which could lead to unauthorized actions within the browser
• Necessity for prompt patching to prevent exploitation
• Importance of maintaining up-to-date browser and extension versions for security
• Potential impact on browser performance and stability if not properly addressed

Technical summary

The CVE-2026-113113 vulnerability involves a use-after-free issue in Google Chrome's Extensions. This occurs when the browser's memory management fails to properly handle objects after they have been freed, allowing an attacker to execute arbitrary code within the sandbox by providing a crafted HTML page. The vulnerability was addressed in Chrome version 156.0.8078.47. This issue requires immediate attention from IT and security teams to update Chrome to version 156.0.8078.47 or later, ensuring the security and stability of browser deployments. The vulnerability exists in Chrome versions prior to 156.0.8078.47 and highlights the importance of keeping browser extensions and the browser itself up-to-date.

Defensive priority

High

Recommended defensive actions

• Update Google Chrome to version 156.0.8078.47 or later
• Ensure all Chrome extensions are updated and compatible with the latest Chrome version
• Monitor browser and extension updates for future vulnerabilities
• 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 vulnerability, including its existence in Chrome versions prior to 156.0.8078.47 and the potential for remote code execution. However, specific details about exploitation or victim impact are not provided.

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.