CVE-2026-8561

chromium-browser: chromium-browser: Incorrect security UI in Fullscreen

Published May 14, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
Incorrect security UI in Fullscreen in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to perform UI spoofing 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-6273-1 chromium security update
History
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Linux
Linux linux Kernel
Microsoft
Microsoft windows
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
Type Values Removed Values Added
Title UI Spoofing in Chrome Fullscreen Mode Prior to 148.0.7778.168 chromium-browser: chromium-browser: Incorrect security UI in Fullscreen
Weaknesses CWE-1021
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
Title UI Spoofing in Chrome Fullscreen Mode Prior to 148.0.7778.168
Type Values Removed Values Added
First Time appeared Google
Google chrome
Weaknesses CWE-451
Vendors & Products Google
Google chrome
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L'}

ssvc

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

Type Values Removed Values Added
Description Incorrect security UI in Fullscreen in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
May 14, 2026, 9:26 PM
Reserved
May 14, 2026, 5:40 AM
Status
Analyzed
Published
May 14, 2026, 8:17 PM
Modified
Oct 26, 2026, 2:10 PM
Severity
Moderate
Public date
May 14, 2026, 7:52 PM