CVE-2026-87587 Use after free in Chrome
A remote attacker can execute arbitrary code inside the sandbox via a crafted HTML page due to a use-after-free flaw 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-2026-87587?
CVE-2026-87587 is a high-severity use after free 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
Use after free in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Weakness: CWE-416
Which versions are affected by CVE-2026-87587?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-87587?
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-2026-87587 being exploited?
There is no known exploitation of CVE-2026-87587 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as AZL-99996, DEBIAN-CVE-2026-87587, ECHO-f9d3-96ab-81c8, GHSA-f9mc-xpwr-35rj, MINI-8g3v-5gpf-2x75.