Vulnerability Description
Use after free in Base in Google Chrome on Mac prior to 148.0.7778.216 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 148.0.7778.216 | |
| Apple | Macos | - |
Related Weaknesses (CWE)
References
- https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_Release Notes
- https://issues.chromium.org/issues/508456788Permissions Required
FAQ
What is CVE-2026-9886?
CVE-2026-9886 is a vulnerability with a CVSS score of 9.6 (CRITICAL). Use after free in Base in Google Chrome on Mac prior to 148.0.7778.216 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)
How severe is CVE-2026-9886?
CVE-2026-9886 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-9886?
Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Apple Macos.