CVE-2026-17927 Information disclosure in Chrome
An attacker can leak cross-origin data by tricking a user into installing a malicious Chrome extension due to insufficient policy enforcement in DevTools.
- 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-2026-17927?
CVE-2026-17927 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 policy enforcement in DevTools in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to leak cross-origin data via a crafted Chrome Extension. (Chromium security severity: Low)
Weakness: CWE-346
Which versions are affected by CVE-2026-17927?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-17927?
Upgrade to a fixed version.
Is CVE-2026-17927 being exploited?
There is no known exploitation of CVE-2026-17927 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-17927, ECHO-7614-c970-af0b, GHSA-74qq-x56m-pf89, MINI-c384-j63r-q6r6.