CVE-2026-113156 Google CVE debrief

Who should care

Defenders responsible for managing Google Chrome deployments on Android devices should assess exposure and prioritize updates to mitigate this vulnerability. This includes IT administrators, cybersecurity teams, and individuals responsible for maintaining browser updates in their organization.

Why it matters

CVE-2026-113156 is a use-after-free vulnerability in Google Chrome's Messages feature on Android, allowing remote code execution within the sandbox. Defenders should prioritize updating Chrome to version 156.0.8078.47 or later. While the severity is rated as Low, prompt action is necessary to prevent potential exploitation and its consequences.

• Remote attackers could execute arbitrary code within the Chrome sandbox, potentially leading to unauthorized actions within the browser.
• Successful exploitation requires user interaction, typically through opening a crafted HTML page.
• The vulnerability's severity is rated as Low by the Chromium security team, but it still necessitates prompt attention to prevent potential exploitation.
• Verification of Chrome version and updating to 156.0.8078.47 or later is crucial to mitigate this vulnerability.

Technical summary

The CVE-2026-113156 vulnerability involves a use-after-free issue in the Messages feature of Google Chrome on Android. This occurs when the browser attempts to access memory that has already been freed, allowing an attacker to execute arbitrary code within the sandbox by providing a specially crafted HTML page. Defenders should prioritize updating Google Chrome to version 156.0.8078.47 or later on Android devices to mitigate this vulnerability. The vulnerability's severity is rated as Low by the Chromium security team, but it still necessitates prompt attention to prevent potential exploitation.

Defensive priority

Defenders should prioritize updating Google Chrome to version 156.0.8078.47 or later on Android devices to mitigate this vulnerability.

Recommended defensive actions

• Update Google Chrome to version 156.0.8078.47 or later on Android devices.
• Ensure that Chrome's auto-update feature is enabled to receive the latest security patches.
• Monitor Chrome's version and update as necessary to protect against potential exploitation.
• 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 on Android. However, specific details about exploitation or victim impact are not provided.

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.