CVE-2026-113319 Google CVE debrief

Who should care

Defenders responsible for managing Chrome deployments, particularly those in environments where user input or untrusted web content is a concern, should assess exposure and prioritize updating to the latest version.

Why it matters

CVE-2026-113319 is a use-after-free vulnerability in Google Chrome's Accessibility feature that could allow remote attackers to execute arbitrary code inside the sandbox. Defenders managing Chrome deployments should assess exposure and prioritize updating to version 156.0.8078.47 or later. The vulnerability's impact and remediation require verification from official sources.

• Remote attackers may attempt to execute arbitrary code inside the sandbox
• Successful exploitation could lead to unauthorized actions within the sandbox
• Defenders should verify Chrome versions and update to mitigate the vulnerability
• Exposure requires verification from official sources due to limited information

Technical summary

A use-after-free vulnerability exists in Google Chrome's Accessibility feature prior to version 156.0.8078.47. This issue allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The vulnerability's impact requires verification from official sources due to limited information. Defenders managing Chrome deployments should assess exposure and prioritize updating to version 156.0.8078.47 or later. The CVE record and source item provide limited information about the vulnerability, indicating a use-after-free issue in Chrome's Accessibility feature.

Defensive priority

Defenders should prioritize verifying Chrome versions and updating to 156.0.8078.47 or later.

Recommended defensive actions

• Verify Chrome version and update to 156.0.8078.47 or later
• Review and implement sandboxing and isolation measures
• Monitor for suspicious activity and potential 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 limited information about the vulnerability, indicating a use-after-free issue in Chrome's Accessibility feature. Defenders should verify Chrome versions and update to 156.0.8078.47 or later. The vulnerability's impact and remediation require verification from official sources due to limited information. Evidence is limited to CVE Program and NVD details.

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.