CVE-2026-113317 Google CVE debrief

Who should care

Defenders responsible for managing and securing Google Chrome installations on Mac systems should be aware of this vulnerability and take action to update or patch their systems. This includes IT administrators, cybersecurity professionals, and anyone responsible for maintaining browser security in their organization.

Why it matters

CVE-2026-113317 is a memory corruption vulnerability in Google Chrome's Accessibility feature on Mac systems. Defenders should prioritize verifying and updating Google Chrome to version 156.0.8078.47 or later. While the vulnerability is contained within the sandbox, it still requires prompt attention to prevent potential attacks.

• Remote attackers may attempt to exploit this vulnerability to execute arbitrary code within the sandbox, potentially leading to unauthorized actions or data access.
• Successful exploitation could result in elevated privileges or access to sensitive data within the sandbox environment.
• Defenders should verify and update Google Chrome to version 156.0.8078.47 or later on Mac systems to prevent potential memory corruption attacks.
• The vulnerability's impact on business operations may be limited due to the sandbox environment, but it still requires prompt attention and remediation to prevent potential attacks.

Technical summary

The CVE-2026-113317 vulnerability involves a memory corruption issue in the Accessibility feature of Google Chrome on Mac systems. This issue could allow a remote attacker to potentially execute arbitrary code within the sandbox by providing a crafted HTML page. The vulnerability was addressed with the release of Google Chrome version 156.0.8078.47. It is essential to update Google Chrome to version 156.0.8078.47 or later on Mac systems to prevent potential memory corruption attacks. The vulnerability's impact on business operations may be limited due to the sandbox environment, but it still requires prompt attention and remediation to prevent potential attacks.

Defensive priority

Defenders should prioritize verifying and updating Google Chrome to version 156.0.8078.47 or later on Mac systems to prevent potential memory corruption attacks.

Recommended defensive actions

• Verify and update Google Chrome to version 156.0.8078.47 or later on Mac systems.
• Monitor Google Chrome updates and patch management processes to ensure timely application of security fixes.
• Consider implementing compensating controls, such as sandboxing or isolation, for critical systems or high-risk deployments.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and source item provide details on the memory corruption vulnerability in Google Chrome's Accessibility feature on Mac systems. The vulnerability was addressed in version 156.0.8078.47.

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.