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)
Published: 2026-06-17
Score: 4.2 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6351-1 chromium security update
History

Fri, 19 Jun 2026 12:15:00 +0000

Type Values Removed Values Added
Title chromium-browser: chromium-browser: Insufficient policy enforcement in File System Access
Weaknesses CWE-807
References
Metrics threat_severity

None

threat_severity

Important


Thu, 18 Jun 2026 22:45:00 +0000

Type Values Removed Values Added
Title Renderer Compromise Enables Site Isolation Bypass via Crafted PDF File in Chrome

Thu, 18 Jun 2026 04:45:00 +0000

Type Values Removed Values Added
Title Renderer Compromise Enables Site Isolation Bypass via Crafted PDF File in Chrome
Weaknesses CWE-284
Metrics cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 17 Jun 2026 07:00:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Wed, 17 Jun 2026 05:15:00 +0000

Type Values Removed Values Added
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

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-06-17T13:15:44.309Z

Reserved: 2026-06-16T19:38:31.430Z

Link: CVE-2026-12460

cve-icon Vulnrichment

Updated: 2026-06-17T13:15:35.287Z

cve-icon NVD

No data.

cve-icon Redhat

Severity : Important

Publid Date: 2026-06-17T01:38:22Z

Links: CVE-2026-12460 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-06-19T13:45:05Z

Weaknesses