CVE-2026-87489 Memory corruption in Chrome
A remote attacker can execute arbitrary code inside the sandbox via a crafted Chrome extension due to memory corruption in V8.
- 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-2026-87489?
CVE-2026-87489 is a high-severity memory corruption vulnerability in Google Chrome, published on 9 Sep 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
Memory corruption in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted Chrome extension. (Chromium security severity: Low)
Weakness: CWE-119
Which versions are affected by CVE-2026-87489?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-87489?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-87489 being exploited?
There is no known exploitation of CVE-2026-87489 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as AZL-100011, DEBIAN-CVE-2026-87489, ECHO-743c-8734-b84e, GHSA-75jh-cw99-rpg7, MINI-rj3w-qgv4-3hcr.