CVE-2026-113279 Google CVE debrief

Who should care

Defenders responsible for managing Google Chrome deployments should assess exposure and prioritize updates to mitigate potential memory corruption vulnerabilities. This includes reviewing Chrome version 156.0.8078.47 or earlier for potential vulnerabilities and updating to a fixed version if necessary. Additionally, defenders should monitor for potential memory corruption attacks and review compensating controls for exposed systems while remediation is is

Why it matters

Defenders should prioritize updating Google Chrome to version 156.0.8078.47 or later to mitigate a memory corruption vulnerability in the Accessibility component, which could potentially allow remote code execution inside the sandbox.

• Potential for remote code execution inside the sandbox
• Memory corruption vulnerability in Accessibility component
• Critical Chromium security severity rating

Technical summary

Memory corruption in Accessibility in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. The vulnerability has a Critical Chromium security severity rating. Defenders should assess Chrome version and update to a fixed version if necessary to mitigate potential memory corruption vulnerabilities. The vulnerability is in the Accessibility component of Google Chrome. The CVE record and source item indicate a memory corruption vulnerability in Google Chrome prior to version 156.0.8078.47.

Defensive priority

Assess Chrome version 156.0.8078.47 or earlier for potential memory corruption vulnerabilities and update to a fixed version if necessary.

Recommended defensive actions

• Review Chrome version 156.0.8078.47 or earlier for potential vulnerabilities
• Update Chrome to a fixed version if necessary
• Monitor for potential memory corruption attacks
• 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 source item indicate a memory corruption vulnerability in Google Chrome prior to version 156.0.8078.47. The Chromium security severity is listed as Critical. The vulnerability is in the Accessibility component. Defenders should verify Chrome version and update to a fixed version if necessary. Evidence is limited to CVE and source item 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.