CVE-2026-79261 Security feature bypass in Chrome
A remote attacker can bypass web origin policy in Google Chrome via a crafted HTML page due to incorrect authorization in Controls.
- 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-2026-79261?
CVE-2026-79261 is a medium-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
Incorrect authorization in Controls in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)
Weakness: CWE-863
Which versions are affected by CVE-2026-79261?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-79261?
Upgrade to a fixed version.
Is CVE-2026-79261 being exploited?
There is no known exploitation of CVE-2026-79261 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-79261, ECHO-7b9b-7a49-05a3, GHSA-x9x7-mwvx-fq55, MINI-82pq-55xh-wmv6.