CVE-2026-17733 Information disclosure in Chrome
A remote attacker can leak cross-origin data via a crafted HTML page due to an inappropriate QUIC implementation in Google Chrome on Android.
- 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-2026-17733?
CVE-2026-17733 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 QUIC in Google Chrome on Android prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Weakness: CWE-346
Which versions are affected by CVE-2026-17733?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-17733?
Upgrade to a fixed version.
Is CVE-2026-17733 being exploited?
There is no known exploitation of CVE-2026-17733 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-17733, ECHO-4dcd-d71b-13a6, GHSA-7m8x-rgjh-8gvw, MINI-2vr8-r6gh-578p.