CVE-2026-113019 Google CVE debrief

Who should care

Google Chrome users, particularly those with versions prior to 156.0.8078.47, should assess exposure and prioritize patching. This includes operators, platform administrators, vulnerability management teams, and security teams who need to review the affected scope, severity, and vendor guidance. They should also monitor for signs of exploitation and review compensating controls for exposed systems while remediation is scheduled and verified. Additionally,

Why it matters

CVE-2026-113019 is a high-severity use-after-free vulnerability in Turbolev in Google Chrome prior to 156.0.8078.47. Defenders should assess exposure, prioritize patching, and monitor for signs of exploitation.

• Remote attackers may execute arbitrary code inside the sandbox
• Successful exploitation requires user interaction via a crafted HTML page
• Defenders should prioritize patching of vulnerable Google Chrome installations
• Exposure assessment and monitoring of Google Chrome installations are necessary

Technical summary

A use-after-free vulnerability in Turbolev in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This high-severity vulnerability poses a significant risk as it can be exploited by remote attackers to execute arbitrary code inside the sandbox. Defenders should assess exposure, prioritize patching, and monitor for signs of exploitation. The vulnerability is a result of a use-after-free issue in the Turbolev component of Google Chrome, which can be triggered by a crafted HTML page.

Defensive priority

High

Recommended defensive actions

• Assess exposure of Google Chrome installations to version 156.0.8078.47 and earlier
• Prioritize patching of vulnerable Google Chrome installations
• Monitor Google Chrome installations for signs of 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 Program and NVD records indicate a use-after-free vulnerability in Turbolev in Google Chrome prior to 156.0.8078.47. This vulnerability allowed a remote attacker to execute arbitrary code inside 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.