CVE-2026-7946

chromium-browser: Insufficient policy enforcement in WebUI

Published May 6, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Insufficient policy enforcement in WebUI in Google Chrome on Linux, Mac, Windows, ChromeOS prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6250-1 chromium security update
History
Type Values Removed Values Added
Title chromium-browser: Insufficient policy enforcement in WebUI
Weaknesses CWE-653
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
Title Chrome WebUI Policy Enforcement Allows Renderer-Based Site Isolation Bypass
Weaknesses CWE-285
Type Values Removed Values Added
Weaknesses CWE-693
Type Values Removed Values Added
Title Chrome WebUI Policy Enforcement Allows Renderer-Based Site Isolation Bypass
Weaknesses CWE-285
Type Values Removed Values Added
Title Insufficient Policy Enforcement in Chrome WebUI Allows Remote Site Isolation Bypass
Weaknesses CWE-285
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Google chrome Os
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:google:chrome_os:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Apple
Apple macos
Google chrome Os
Linux
Linux linux Kernel
Microsoft
Microsoft windows
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/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'}

Type Values Removed Values Added
Title Insufficient Policy Enforcement in Chrome WebUI Allows Remote Site Isolation Bypass
First Time appeared Google
Google chrome
Weaknesses CWE-285
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Description Insufficient policy enforcement in WebUI in Google Chrome on Linux, Mac, Windows, ChromeOS prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
References

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
May 8, 2026, 7:46 PM
Reserved
May 5, 2026, 10:59 PM
Status
Modified
Published
May 6, 2026, 7:16 PM
Modified
Oct 26, 2026, 7:10 PM
Severity
Moderate
Public date
May 5, 2026, 12:00 AM