CVE-2026-15773 in Google Chrome
Use after free in Core in Google Chrome on Windows prior to 150.0.7871.125 allowed a remote attacker to potentially perform a sandbox escape 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 on Windows before 150.0.7871.125
Fixed versions
- 150.0.7871.125
How to fix it
CVE-2026-15773 is a privilege escalation issue in Google Chrome. Update from Google Chrome on Windows before 150.0.7871.125 to 150.0.7871.125 or newer. Keep it simple: upgrade first, then test the normal user flow.
- Find every place where Google Chrome is installed or used.
- Upgrade Google Chrome to 150.0.7871.125 or a newer fixed release from the vendor.
- If you cannot upgrade right away, limit access to the affected feature until the update is done.
- Restart or redeploy the service if the product needs it after the update.
Scan now. Google sign-in is only needed to unlock fix guidance.
Verify the fix
- Confirm the installed version is 150.0.7871.125 or newer.
- Run a normal login, admin, and user flow to make sure the site still works.
- Check logs for new errors after the update.
Related categories
Trusted references
FAQ
What is affected by CVE-2026-15773?
Google Chrome versions listed as affected should be reviewed: Google Chrome on Windows before 150.0.7871.125.
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.