CVE-2026-13940 Information disclosure in Chrome
An attacker on the local network can read sensitive process memory in Google Chrome via malicious traffic due to uninitialized use in Cast.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-13940?
CVE-2026-13940 is a medium-severity vulnerability in Google Chrome, published on 30 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Uninitialized Use in Cast in Google Chrome prior to 150.0.7871.47 allowed an attacker on the local network segment to obtain potentially sensitive information from process memory via malicious network traffic. (Chromium security severity: Medium)
Weakness: CWE-457
Which versions are affected by CVE-2026-13940?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-13940?
Upgrade to a fixed version.
Is CVE-2026-13940 being exploited?
There is no known exploitation of CVE-2026-13940 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-13940, ECHO-9757-2ccf-bac5, GHSA-3m3v-363x-rf9h, MINI-r59p-c2qw-mq48.