CVE-2026-113222 Google CVE debrief

Who should care

Google Chrome users, particularly those with version 156.0.8078.47 or earlier installed, should assess exposure and consider updating to a patched version. This includes IT administrators responsible for Chrome installations in their organizations, as well as individual users who may be affected by the vulnerability. The vulnerability's high severity and potential impact on Chrome users make it essential for defenders to prioritize mitigation efforts.

Why it matters

CVE-2026-113222 is a high-severity use after free vulnerability in V8 in Google Chrome prior to 156.0.8078.47. Defenders should assess exposure, particularly for Chrome installations with version 156.0.8078.47 or earlier, and consider updating to a patched version to mitigate potential exploitation attempts.

• Potential execution of arbitrary code outside the sandbox
• Possible exploitation by remote attackers via crafted HTML pages
• Need for Chrome version updates to mitigate vulnerability
• Verification of Chrome installation versions for exposure

Technical summary

A use after free vulnerability in V8 in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. This high-severity issue requires immediate attention from defenders, who should assess exposure, particularly for Chrome installations with version 156.0.8078.47 or earlier, and consider updating to a patched version to mitigate potential exploitation attempts. The vulnerability highlights the need for Chrome version updates to mitigate the risk of 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
• Assess exposure of Chrome installations to the vulnerable version
• 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 information on the use after free vulnerability in V8 in Google Chrome prior to 156.0.8078.47. The details indicate a high-severity issue that could allow remote attackers to potentially execute arbitrary code outside the sandbox via a crafted HTML page. Defenders should verify Chrome installation versions for exposure and consider updating to a patched version.

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.