CVE-2026-12014 Use after free in Chrome
A use-after-free flaw in Chrome's Cast feature allows local network attackers to escape the sandbox via malicious traffic.
- 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-2026-12014?
CVE-2026-12014 is a high-severity use after free vulnerability in Google Chrome, published on 11 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Use after free in Cast in Google Chrome prior to 149.0.7827.115 allowed an attacker on the local network segment to potentially perform a sandbox escape via malicious network traffic. (Chromium security severity: High)
Weakness: CWE-416
Which versions are affected by CVE-2026-12014?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-12014?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-12014 being exploited?
There is no known exploitation of CVE-2026-12014 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-12014, ECHO-2735-b0f7-bab9, GHSA-p379-73vv-4h7j, MINI-xpc6-c3x6-m8jv.