CVE-2026-113177 Google CVE debrief

Who should care

Google Chrome users, particularly those with versions prior to 156.0.8078.47, should assess their exposure and apply updates as necessary. This includes IT administrators responsible for managing Google Chrome deployments, security teams monitoring for potential vulnerabilities, and operators using Google Chrome for critical tasks. Defenders should prioritize patching and monitor for updates due to the potential for remote code execution.

Why it matters

CVE-2026-113177 is a use-after-free vulnerability in Google Chrome's FileSystem component. Defenders should assess exposure, prioritize patching, and monitor for updates due to the potential for remote code execution inside the sandbox.

• Remote attackers may execute arbitrary code inside the sandbox
• Successful exploitation requires user interaction via a crafted HTML page
• Defenders should prioritize updating Google Chrome to version 156.0.8078.47 or later
• Exposure verification and patching are critical for Google Chrome deployments

Technical summary

A use-after-free vulnerability exists in the FileSystem component of Google Chrome prior to version 156.0.8078.47. This vulnerability allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The vulnerability has a Medium severity rating according to Chromium. Defenders should prioritize updating Google Chrome to version 156.0.8078.47 or later to mitigate this vulnerability. The CVE record and NVD entry provide additional context for defenders to assess exposure and apply necessary updates.

Defensive priority

Medium

Recommended defensive actions

• Assess exposure of Google Chrome installations to version 156.0.8078.47 and earlier
• Verify and apply Google Chrome updates to version 156.0.8078.47 or later
• Monitor Google Chrome for updates and apply patches as they become available
• 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 NVD entry indicate a use-after-free vulnerability in Google Chrome's FileSystem component prior to version 156.0.8078.47. Chromium security severity is rated as Medium. Evidence is limited to CVE Program and NVD records, which may not cover all affected versions or scenarios. Defenders should verify exposure and apply updates as necessary.

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.