CVE-2026-79252 Information disclosure in Chrome
A remote attacker can obtain cross-origin data via a crafted HTML page due to an information leak in the ServiceWorker component.
- 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-2026-79252?
CVE-2026-79252 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
Information leak in ServiceWorker in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Weakness: CWE-200
Which versions are affected by CVE-2026-79252?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-79252?
Upgrade to a fixed version.
Is CVE-2026-79252 being exploited?
There is no known exploitation of CVE-2026-79252 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-79252, ECHO-f312-3469-50a5, GHSA-4fvf-46cq-3pw2, MINI-xf3r-4qqf-m282.