CVE-2026-113033 Google CVE debrief

Who should care

Google Chrome users, particularly those with versions prior to 156.0.8078.47, should assess exposure and update to the latest version. IT administrators responsible for Chrome deployments should verify and update Chrome installations. Security teams should review and monitor HTML page inputs for potential crafted attacks. Operators of Chrome-based services should implement sandboxing and isolation for Chrome instances to mitigate potential impacts. Users'

Why it matters

CVE-2026-113033 is a use-after-free vulnerability in Google Chrome's Streaming component that allows remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page. Chrome users, particularly those with versions prior to 156.0.8078.47, should assess exposure and update to the latest version.

• Remote attackers may execute arbitrary code inside the sandbox
• Chrome users may be vulnerable to crafted HTML page attacks
• Verification of Chrome version and updates is necessary

Technical summary

The CVE record describes a use-after-free vulnerability in Google Chrome's Streaming component. The vulnerability allows remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page. This issue affects Google Chrome versions prior to 156.0.8078.47. Chrome users should assess exposure and update to the latest version to mitigate potential attacks. The vulnerability is considered Medium severity by Chromium security assessment. Verification of Chrome version and updates is necessary to prevent exploitation.

Defensive priority

High priority for Chrome users to verify and update to the latest version.

Recommended defensive actions

• Verify Chrome version and update to 156.0.8078.47 or later
• Review and monitor HTML page inputs for potential crafted attacks
• Implement sandboxing and isolation for Chrome instances
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and NVD entry provide details on the use-after-free vulnerability in Google Chrome's Streaming component. The vulnerability allows remote attackers to execute arbitrary code inside the sandbox via a crafted HTML page.

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.