CVE-2026-113100 Google CVE debrief

Who should care

Defenders responsible for managing Google Chrome installations, particularly in environments where exposure to untrusted websites or HTML content is possible, should assess their exposure and prioritize patching.

Why it matters

CVE-2026-113100 is a memory corruption vulnerability in Google Chrome's Audio component that could allow remote code execution within the sandbox. Defenders should prioritize patching vulnerable installations and monitor for suspicious activity.

• Potential remote code execution within the sandbox
• Required patching of vulnerable Chrome installations
• Monitoring for suspicious HTML page activity

Technical summary

The vulnerability exists in Google Chrome's Audio component prior to version 156.0.8078.47. A remote attacker could exploit this issue by providing a crafted HTML page, potentially leading to arbitrary code execution within the sandbox. The issue arises from improper handling of audio data, which can lead to memory corruption. Defenders should prioritize patching vulnerable installations to prevent potential code execution attacks and monitor for suspicious activity that could indicate exploitation attempts. This vulnerability is tracked as CVE-2026-113100 and was publicly disclosed on October 20, 2026.

Defensive priority

Defenders should prioritize patching vulnerable Chrome installations to prevent potential code execution attacks.

Recommended defensive actions

• Patch Chrome installations to version 156.0.8078.47 or later
• Monitor for suspicious HTML page activity
• Restrict access to untrusted websites
• 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. The issue was publicly disclosed on October 20, 2026. There is no evidence of in-the-wild exploitation at the time of disclosure. Defenders should verify Chrome versions and patch vulnerable installations.

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.