CVE-2026-12460

MEDIUM

Google Chrome < 149.0.7827.155 - Site Isolation Bypass via Crafted PDF File

Title source: llm

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)

References (2)

Core 2

Core References

https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01750511403.html

https://issues.chromium.org/issues/517484284

Scores

CVSS v3 4.2

EPSS 0.0015

EPSS Percentile 4.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-284

Status published

Products (2)

google/chrome < 149.0.7827.155

Google/Chrome 149.0.7827.155

Published Jun 17, 2026

Tracked Since Jun 17, 2026