CVE-2026-8561

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

Medium · published May 14, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
13.7
In the wild
Unconfirmed
What it is

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)

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00236 · 13.7th percentile
Published
2026-05-14T19:52Z
EPSS history
Timeline
  • 14 MAY 19:52Z
    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
    cvelistv5