CVE-2026-113065 Google CVE debrief

Who should care

Defenders responsible for managing Chrome deployments, particularly in environments where users may be targeted by attackers, should assess exposure and apply patches. This includes IT administrators, security teams, and developers working with Chrome-based applications.

Why it matters

CVE-2026-113065 is a Medium-severity use-after-free vulnerability in Google Chrome's Media component. Defenders should prioritize patching and monitoring due to potential for remote code execution within the sandbox and possible targeting by attackers.

• Potential remote code execution within the sandbox
• Possible exploitation by attackers targeting Chrome users
• Need for patching to prevent potential exploitation
• Importance of monitoring for potential exploitation attempts

Technical summary

The CVE-2026-113065 vulnerability is a use-after-free issue in the Media component of Google Chrome prior to version 156.0.8078.47. This vulnerability can be exploited by a remote attacker to execute arbitrary code within the sandbox via a specially crafted HTML page. The Chromium security team has rated this issue as Medium severity. The vulnerability affects the Media component of Google Chrome, which processes media content. Exploitation could lead to arbitrary code execution within the sandbox. Defenders should prioritize assessing exposure and applying patches to mitigate potential risks.

Defensive priority

Defenders should prioritize assessing exposure and applying patches for this vulnerability, especially for Chrome users who may be targeted by attackers.

Recommended defensive actions

• Assess exposure to this vulnerability in your Chrome deployments
• Verify and apply the patch to update Chrome to version 156.0.8078.47 or later
• Monitor for potential exploitation attempts targeting this vulnerability
• Review and update incident response plans to address potential sandbox escapes
• 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

Evidence notes

The CVE record and source item provide details on the vulnerability, including its description, affected versions, and references to vendor advisories. The CVE-2026-113065 vulnerability is documented in the CVE Program record and the NIST NVD detail page. The source item provides additional information on the affected versions. Vendor advisories, such as the Chrome stable channel update, offer guidance on patching and mitigation. Defenders should verify the affected scope, severity, and vendor guidance to assess exposure and apply the

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.