Insufficient policy enforcement in Extensions in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00328.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Google Chrome affected
Version Status Constraints
150.0.7871.47 affected < 150.0.7871.47

No data.

No data.

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Vendors Products
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Project Subscriptions

Vendors Products
Google Subscribe
Chrome Subscribe
Advisories
Source ID Title
Debian DLA Debian DLA DLA-4672-1 chromium security update
Debian DSA Debian DSA DSA-6378-1 chromium security update
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html cve-icon
https://issues.chromium.org/issues/511249430 cve-icon
History

Mon, 27 Jul 2026 03:00:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Allows Site Isolation Bypass

Fri, 24 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Allows Site Isolation Bypass

Tue, 21 Jul 2026 17:00:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Allows Site Isolation Bypass

Thu, 16 Jul 2026 12:45:00 +0000

Type Values Removed Values Added
Title Insufficient Extension Policy Enforcement Allows Site Isolation Bypass

Tue, 14 Jul 2026 12:00:00 +0000

Type Values Removed Values Added
Title Insufficient Extension Policy Enforcement Allows Site Isolation Bypass

Mon, 13 Jul 2026 05:30:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Allows Site Isolation Bypass

Sun, 12 Jul 2026 03:00:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Allows Site Isolation Bypass

Sat, 11 Jul 2026 09:30:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Bypass Allowing Site Isolation Exploit

Fri, 10 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Bypass Allowing Site Isolation Exploit

Thu, 09 Jul 2026 15:15:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Weakness Enables Site Isolation Bypass

Wed, 08 Jul 2026 20:00:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Weakness Enables Site Isolation Bypass

Tue, 07 Jul 2026 22:00:00 +0000

Type Values Removed Values Added
Title Renderer Process Compromise Allows Site Isolation Bypass via Extension Policy Enforcement Flaw

Tue, 07 Jul 2026 04:45:00 +0000

Type Values Removed Values Added
Title Renderer Process Compromise Allows Site Isolation Bypass via Extension Policy Enforcement Flaw

Mon, 06 Jul 2026 12:30:00 +0000

Type Values Removed Values Added
Title Site Isolation Bypass via Crafting HTML Page in Chrome Extensions

Sun, 05 Jul 2026 23:15:00 +0000

Type Values Removed Values Added
Title Site Isolation Bypass via Crafting HTML Page in Chrome Extensions

Sun, 05 Jul 2026 11:45:00 +0000

Type Values Removed Values Added
Title Remote Renderer Compromise Enables Site Isolation Bypass in Chrome

Sat, 04 Jul 2026 23:30:00 +0000

Type Values Removed Values Added
Title Remote Renderer Compromise Enables Site Isolation Bypass in Chrome

Sat, 04 Jul 2026 12:00:00 +0000

Type Values Removed Values Added
Title Chrome Site Isolation Bypass via Extension Policy Flaw

Sat, 04 Jul 2026 00:00:00 +0000

Type Values Removed Values Added
Title Chrome Site Isolation Bypass via Extension Policy Flaw

Fri, 03 Jul 2026 12:45:00 +0000

Type Values Removed Values Added
Title Chrome Site Isolation Bypass via Extension Policy Flaw

Fri, 03 Jul 2026 02:45:00 +0000

Type Values Removed Values Added
Title Chrome Site Isolation Bypass via Extension Policy Flaw

Thu, 02 Jul 2026 17:30:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Weakness Enables Site Isolation Bypass

Thu, 02 Jul 2026 09:15:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Enforcement Weakness Enables Site Isolation Bypass

Wed, 01 Jul 2026 22:30:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Bypass Enables Site Isolation Escape
Weaknesses CWE-272
CWE-284

Wed, 01 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-602
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}

ssvc

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

Wed, 01 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
Title Chrome Extension Policy Bypass Enables Site Isolation Escape
Weaknesses CWE-272
CWE-284

Wed, 01 Jul 2026 11:15:00 +0000

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

Wed, 01 Jul 2026 10:45:00 +0000

Type Values Removed Values Added
Title Insufficient Policy Enforcement Allows Renderer Process Compromise to Bypass Site Isolation in Chrome
Weaknesses CWE-284

Wed, 01 Jul 2026 01:45:00 +0000

Type Values Removed Values Added
Title Insufficient Policy Enforcement Allows Renderer Process Compromise to Bypass Site Isolation in Chrome
Weaknesses CWE-284

Tue, 30 Jun 2026 23:15:00 +0000

Type Values Removed Values Added
Description Insufficient policy enforcement in Extensions in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-07-01T17:42:19.766Z

Reserved: 2026-06-29T23:03:52.089Z

Link: CVE-2026-13919

cve-icon Vulnrichment

Updated: 2026-07-01T17:42:08.741Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-27T02:45:02Z

Weaknesses