CVE-2026-113245 Google CVE debrief

Who should care

Defenders responsible for managing Google Chrome deployments, especially in environments exposed to untrusted web content, should assess and mitigate this vulnerability. This includes operators, platform administrators, vulnerability management teams, and security teams who need to prioritize patching or mitigating this vulnerability to prevent potential exploitation.

Why it matters

CVE-2026-113245 is a memory corruption vulnerability in Google Chrome's DevTools that allows remote attackers to execute arbitrary code within the sandbox. Defenders should prioritize patching or mitigating this vulnerability, especially for systems and users exposed to untrusted web content. The vulnerability's impact is limited to the sandbox, but it still requires prompt attention to prevent potential exploitation.

• Potential for remote code execution within the sandbox.
• Exposure to crafted HTML pages could lead to arbitrary code execution.
• Defenders need to verify and patch vulnerable Chrome versions.
• Remediation priority is high for systems and users at risk.

Technical summary

The vulnerability exists in Google Chrome's DevTools, allowing remote attackers to execute arbitrary code within the sandbox via a crafted HTML page. This issue was addressed in Chrome version 156.0.8078.47. The vulnerability's impact is limited to the sandbox, but it still requires prompt attention to prevent potential exploitation. Defenders should prioritize patching or mitigating this vulnerability, especially for systems and users exposed to untrusted web content. The CVE record and source item provide details on the vulnerability, including its existence in Chrome versions prior to 156.0.8078.47 and the potential for arbitrary code execution within the sandbox.

Defensive priority

Defenders should prioritize patching or mitigating this vulnerability, especially for systems and users exposed to untrusted web content.

Recommended defensive actions

• Patch or upgrade Google Chrome to version 156.0.8078.47 or later.
• Implement compensating controls, such as sandboxing or restricting access to DevTools.
• Monitor for suspicious activity or exploitation attempts.
• 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 and the potential for arbitrary code execution within the sandbox.

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.