CVE-2026-17982 Security feature bypass in Chrome
A remote attacker can bypass same-origin policy in Google Chrome via a crafted HTML page due to insufficient input validation in Cast.
- 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-2026-17982?
CVE-2026-17982 is a medium-severity vulnerability in Google Chrome, published on 30 Jul 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
Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Low)
Weakness: CWE-20
Which versions are affected by CVE-2026-17982?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-17982?
Upgrade to a fixed version.
Is CVE-2026-17982 being exploited?
There is no known exploitation of CVE-2026-17982 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-17982, ECHO-1b80-316a-b9d6, GHSA-9xf4-fpqh-x43r, MINI-mhwp-66jj-5465.