CVE-2026-79255 Security feature bypass in Chrome
A remote attacker with compromised renderer access can bypass web origin policy in Google Chrome via a crafted HTML page.
- 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-2026-79255?
CVE-2026-79255 is a low-severity vulnerability in Google Chrome, published on 25 Aug 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
Improper input validation in WebRTC in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
Weakness: CWE-20
Which versions are affected by CVE-2026-79255?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-79255?
Upgrade to a fixed version.
Is CVE-2026-79255 being exploited?
There is no known exploitation of CVE-2026-79255 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-79255, ECHO-439c-3e45-c845, GHSA-rq7c-jjwm-j9pm, MINI-4v3r-vvp2-p4xx.