CVE-2026-12460

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)

CVSS 3.1

4.2CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-25)

CWE

CWE-284

Published

2026-06-17

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• google:chrome

References

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

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