CVE-2026-113251 Google CVE debrief

Who should care

Google Chrome users, particularly those with versions prior to 156.0.8078.47, should assess exposure and update to the latest version. IT administrators and security teams responsible for managing Google Chrome deployments should prioritize verifying Chrome version and updating to the latest version. Additionally, defenders should review system logs for potential exploitation attempts and monitor for suspicious activity.

Why it matters

CVE-2026-113251 is a use-after-free vulnerability in PDF in Google Chrome prior to 156.0.8078.47. Defenders should prioritize verifying Chrome version and updating to the latest version to prevent potential exploitation.

• Potential code execution inside the sandbox
• Required verification of Chrome version and updates
• Monitoring for suspicious activity
• Review of system logs for potential exploitation attempts

Technical summary

A use-after-free vulnerability in PDF in Google Chrome prior to 156.0.8078.47 allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This vulnerability affects Google Chrome users, particularly those with versions prior to 156.0.8078.47. Defenders should prioritize verifying Chrome version and updating to 156.0.8078.47 or later to prevent potential exploitation. The vulnerability has a low severity rating according to Chromium security severity classification. No additional technical details are available.

Defensive priority

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

Recommended defensive actions

• Verify Chrome version and update to 156.0.8078.47 or later
• Monitor for suspicious activity
• Review system logs for potential exploitation attempts
• 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 record and NVD entry provide limited information about the vulnerability. Further verification is required to determine the full scope of the issue. Evidence is limited to CVE Program and NVD records. Defenders should verify Chrome version and review system logs for potential exploitation attempts. No additional information is available on affected scope or exploitation.

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.