CVE-2026-113330 Google CVE debrief

Who should care

Defenders responsible for managing Google Chrome on Android devices should verify versions and update to 156.0.8078.47 or later. This includes IT teams managing Chrome deployments, security teams monitoring for potential exposures, and operators responsible for maintaining Android devices. These stakeholders should review the CVE record and source item for details on the vulnerability and implement necessary updates or mitigations. Additionally, defenders,

Why it matters

CVE-2026-113330 is a memory corruption vulnerability in Google Chrome's CustomTabs on Android. Defenders should verify Android Chrome versions and update to 156.0.8078.47 or later to prevent potential code execution.

• Verify Android Chrome versions to prevent potential code execution
• Update to 156.0.8078.47 or later to fix the vulnerability
• Monitor Google Chrome releases for future updates

Technical summary

Memory corruption in CustomTabs in Google Chrome on Android prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. The vulnerability is a result of improper memory management in the CustomTabs component of Google Chrome on Android. This issue can lead to potential code execution inside the sandbox. Defenders should prioritize verifying Android Chrome versions and updating to 156.0.8078.47 or later to prevent potential code execution. The CVE record and source item provide details on the memory corruption vulnerability in Google Chrome's CustomTabs on Android.

Defensive priority

Defenders should prioritize verifying Android Chrome versions and updating to 156.0.8078.47 or later.

Recommended defensive actions

• Verify Android Chrome versions and update to 156.0.8078.47 or later
• Monitor Google Chrome releases for future updates
• Review CustomTabs implementation for potential exposure
• 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 source item provide details on the memory corruption vulnerability in Google Chrome's CustomTabs on Android. The vendor, Google, has provided information on the affected version and the fix.

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.