CVE-2026-79026 Use after free in Chrome
A remote attacker can execute arbitrary code outside the sandbox via a crafted Chrome extension due to a use-after-free vulnerability.
- 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-2026-79026?
CVE-2026-79026 is a critical use after free 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
Use after free in Extensions in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted Chrome extension. (Chromium security severity: High)
Weakness: CWE-416
Which versions are affected by CVE-2026-79026?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-79026?
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-2026-79026 being exploited?
There is no known exploitation of CVE-2026-79026 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-79026, ECHO-b0dc-e142-6e63, GHSA-mmx3-85xp-chw9, MINI-7qmr-3px2-4cvh.