CVE-2026-14018 Use after free in Chrome
A local attacker can achieve OS-level privilege escalation in Google Chrome on Windows via a malicious file exploiting a use-after-free flaw in the Updater.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-14018?
CVE-2026-14018 is a high-severity use after free vulnerability in Google Chrome, published on 30 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Use after free in Updater in Google Chrome on Windows prior to 150.0.7871.47 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Medium)
Weakness: CWE-416
Which versions are affected by CVE-2026-14018?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-14018?
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-2026-14018 being exploited?
There is no known exploitation of CVE-2026-14018 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-14018, ECHO-bd8f-1608-878c, GHSA-mrjj-7f34-vq7c, MINI-cfc5-c3qx-gjxw.