CVE-2026-113298 Google CVE debrief

Who should care

Google Chrome users, particularly those with versions prior to 156.0.8078.47, should assess their exposure and take necessary actions to prevent potential exploitation. This includes IT administrators responsible for managing Google Chrome deployments, security teams evaluating potential risks, and end-users of Google Chrome who may be impacted by this vulnerability. Assessing exposure and taking necessary actions are crucial to prevent potential attacks.

Why it matters

CVE-2026-113298 is a high-severity vulnerability in Google Chrome that allows remote attackers to execute arbitrary code inside the sandbox. Defenders should prioritize updating Chrome to version 156.0.8078.47 or later and review system logs for potential exploitation attempts.

• Remote attackers may execute arbitrary code inside the sandbox
• Successful exploitation could lead to unauthorized actions within the sandbox environment
• Defenders should prioritize updating Google Chrome to version 156.0.8078.47 or later
• Additional security measures, such as reviewing system logs, may be necessary to detect potential exploitation attempts

Technical summary

A use-after-free vulnerability in the Transactions Platform of Google Chrome prior to version 156.0.8078.47 allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This vulnerability, tracked as CVE-2026-113298, poses a high-severity risk due to its potential for arbitrary code execution. The vulnerability exists in Google Chrome versions prior to 156.0.8078.47 and can be exploited through a crafted HTML page, emphasizing the need for immediate updates to prevent potential exploitation.

Defensive priority

High

Recommended defensive actions

• Update Google Chrome to version 156.0.8078.47 or later
• Review system logs for potential exploitation attempts
• Implement additional security measures to prevent similar attacks
• 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 Program record and NVD vulnerability detail page provide official information about CVE-2026-113298. Google Chrome versions prior to 156.0.8078.47 are affected by a use-after-free vulnerability in the Transactions Platform.

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.