CVE-2026-113263 Google CVE debrief

Who should care

Defenders responsible for managing Google Chrome on Android deployments should assess exposure and prioritize updating to version 156.0.8078.47 or later. This includes IT teams managing Chrome on Android, security teams monitoring for suspicious activity, and operators responsible for ensuring the security of Chrome deployments. Updating to version 156.0.8078.47 or later is recommended to mitigate the vulnerability.

Why it matters

CVE-2026-113263 is a medium-severity use-after-free vulnerability in Google Chrome on Android that could allow remote code execution outside the sandbox. Defenders should prioritize updating to version 156.0.8078.47 or later and monitor for suspicious activity.

• Potential remote code execution outside the sandbox
• Requires verification of affected versions and remediation status
• Defenders must monitor for suspicious HTML page activity
• Updating to version 156.0.8078.47 or later is recommended

Technical summary

The CVE record describes a use-after-free vulnerability in the Core component of Google Chrome on Android. This vulnerability could potentially allow a remote attacker to execute arbitrary code outside the sandbox by providing a crafted HTML page. The vulnerability affects Google Chrome on Android prior to version 156.0.8078.47. Defenders should prioritize updating to version 156.0.8078.47 or later and monitor for suspicious activity. The technical details indicate a medium-severity vulnerability with potential for remote code execution.

Defensive priority

Medium

Recommended defensive actions

• Review and apply the update to Google Chrome on Android to version 156.0.8078.47 or later
• Monitor for suspicious HTML page activity
• Implement sandboxing and isolation measures for Chrome on Android
• 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 indicates a use-after-free vulnerability in Google Chrome on Android prior to version 156.0.8078.47. The vulnerability could potentially allow a remote attacker to execute arbitrary code outside 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.