Medium (6.5) in google chrome. EPSS 1.3% chance of exploitation in the next 30 days.
Blink in Google Chrome prior to 56.0.2924.76 for Linux, Windows and Mac, and 56.0.2924.87 for Android, failed to prevent certain UI elements from being displayed by non-visible pages, which allowed a remote attacker to show certain UI elements on a page they don't control via a crafted HTML page.
Severity
CVSS 3.0
6.5 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS
1.3% chance of exploitation in the next 30 days; higher than 70% of CVEs (scores of 2026-10-31)