CVE-2026-17943 Security feature bypass in Chrome
A remote attacker can bypass Content Security Policy in Google Chrome via a crafted HTML page due to an inappropriate parser implementation.
- 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-2026-17943?
CVE-2026-17943 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
Inappropriate implementation in Parser in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to bypass content security policy via a crafted HTML page. (Chromium security severity: Low)
Weakness: CWE-693
Which versions are affected by CVE-2026-17943?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-17943?
Upgrade to a fixed version.
Is CVE-2026-17943 being exploited?
There is no known exploitation of CVE-2026-17943 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-17943, ECHO-8406-6a09-d1a2, GHSA-g85x-23c8-c98w, MINI-4grm-q9c5-x8h5.