CVE-2026-14426 in Google Chrome V8
Use after free in V8 in Google Chrome prior to 150.0.7871.46 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
Quick answer
Google Chrome should be reviewed and updated if it matches the affected versions. The recommended fix is to apply the vendor-supported patched version or the mitigation steps below, then retest the public website with Fixnx.
Who is affected
Affected versions
- Google Chrome before 150.0.7871.46
Fixed versions
- Google Chrome 150.0.7871.46 or later
- Google Chrome 150.0.7871.46/.47 or later on Windows and Mac
How to fix it
CVE-2026-14426 affects Google Chrome. The issue means user interaction with a crafted page may exploit a V8 use-after-free bug. Treat it as urgent if the system is reachable by users, browsers, admins, or the network. Update to Google Chrome 150.0.7871.46 or later, or follow the vendor advisory if your branch needs a supported backport.
- Inventory every Google Chrome install, device, browser fleet, container, or package in use.
- Compare installed versions with the affected ranges in the vendor advisory.
- Update to Google Chrome 150.0.7871.46 or later on supported systems.
- If you cannot update today, limit access to trusted users and trusted networks only.
- Review logs for unusual access, crashes, privilege changes, commands, or failed requests.
- Rotate secrets, tokens, and service accounts if abuse or data access is suspected.
- Document the patch and keep the advisory link with the change record.
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Verify the fix
- Confirm the installed version is Google Chrome 150.0.7871.46 or later.
- Confirm exposed admin, API, browser, or device access is limited to trusted users.
- Retest the affected workflow after the update or mitigation.
- Review logs again after patching for repeated suspicious activity.
- Run a new Fixnx scan where the affected service is part of the public site.
Related categories
Trusted references
FAQ
What is affected by CVE-2026-14426?
Google Chrome versions listed as affected should be reviewed: Google Chrome before 150.0.7871.46.
What should I fix first?
Start with internet-facing sites, admin panels, login flows, plugins, themes, modules, packages, and systems that process user-controlled input or sensitive data.
How do I confirm the fix worked?
Apply the patched version or mitigation, clear caches where relevant, retest the affected workflow, and run a new Fixnx scan to verify public website exposure signals.
How are Fixnx security risk categories chosen?
Fixnx keeps one canonical risk page and assigns only broad, relevant categories such as ecosystem, technology area, or vulnerability class.