CVE-2026-78894 Race condition in Chrome
A race condition in Chrome Payments allows a remote attacker with compromised renderer access to leak cross-origin data via a crafted HTML page.
- 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-2026-78894?
CVE-2026-78894 is a low-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
Race condition in Payments in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Weakness: CWE-367
Which versions are affected by CVE-2026-78894?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-78894?
Upgrade to a fixed version.
Is CVE-2026-78894 being exploited?
There is no known exploitation of CVE-2026-78894 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-78894, ECHO-3100-368d-1e06, GHSA-qg44-f5xj-9rhx, MINI-rpq7-8vwj-r486.