CVE-2025-8577

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-08-07 · updated 2026-06-17
Weakness: CWE-79

Description

Inappropriate implementation in Picture In Picture in Google Chrome prior to 139.0.7258.66 allowed a remote attacker who convinced a user to engage in specific UI gestures to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)

Affected products

Google Chrome: before 139.0.7258.66 — fixed in 139.0.7258.66

How to fix

Upgrade to a fixed version: Google Chrome 139.0.7258.66. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2025/08/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/384050903

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