What’s Vulnerable › Vulnerabilities

CVE-2026-12460

• Severity: medium (CVSS 4.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-17 · updated 2026-10-26
• Weakness: CWE-284

Description

Insufficient policy enforcement in File System Access in Google Chrome prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file. (Chromium security severity: High)

Affected products

• Google Chrome: before 149.0.7827.155 — fixed in 149.0.7827.155

How to fix

Upgrade to a fixed version: Google Chrome 149.0.7827.155. Check the vendor advisory for mitigations.

References

• https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html
• https://issues.chromium.org/issues/517484284

Get alerted when CVE-2026-12460 or the next vulnerability affects your stack