Description
Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)
Published: 2026-06-11
Score: 3.1 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6344-1 chromium security update
History

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

Type Values Removed Values Added
Title Extension Handling Allows Site Isolation Bypass in Google Chrome chromium-browser: chromium-browser: Insufficient validation of untrusted input  Extensions
Weaknesses CWE-653
References
Metrics threat_severity

None

threat_severity

Important


Sat, 13 Jun 2026 03:15:00 +0000

Type Values Removed Values Added
Title Extension Handling Allows Site Isolation Bypass in Google Chrome

Sat, 13 Jun 2026 01:00:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows

Fri, 12 Jun 2026 04:15:00 +0000

Type Values Removed Values Added
Title Chrome Extension Vulnerability Enabling Site Isolation Bypass via Crafted HTML

Fri, 12 Jun 2026 02:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

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

ssvc

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


Fri, 12 Jun 2026 00:45:00 +0000

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

Thu, 11 Jun 2026 23:00:00 +0000

Type Values Removed Values Added
Title Chrome Extension Vulnerability Enabling Site Isolation Bypass via Crafted HTML

Thu, 11 Jun 2026 21:30:00 +0000

Type Values Removed Values Added
Description Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)
Weaknesses CWE-20
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-06-12T01:37:16.443Z

Reserved: 2026-06-11T18:16:05.032Z

Link: CVE-2026-12017

cve-icon Vulnrichment

Updated: 2026-06-12T01:37:13.120Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-06-11T22:16:54.270

Modified: 2026-06-13T00:51:49.143

Link: CVE-2026-12017

cve-icon Redhat

Severity : Important

Publid Date: 2026-06-11T20:48:08Z

Links: CVE-2026-12017 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-06-19T14:30:04Z