CVE-2026-8561 Other in Chrome
Remote attackers can spoof the fullscreen UI in Google Chrome via crafted HTML pages, potentially misleading users about the active window state.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-8561?
CVE-2026-8561 is a medium-severity vulnerability in Google Chrome, published on 14 May 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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)
Weakness: CWE-451
Which versions are affected by CVE-2026-8561?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-8561?
Upgrade to a fixed version.
Is CVE-2026-8561 being exploited?
There is no known exploitation of CVE-2026-8561 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-8561, ECHO-b60a-4e78-0c71, GHSA-qf67-qcvf-27gx, MINI-r76w-7mgf-chxc.