CVE-2026-87578 Use after free in Chrome
An adjacent attacker can execute arbitrary code outside the sandbox in Google Chrome via crafted network traffic due to a use-after-free vulnerability.
- 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-2026-87578?
CVE-2026-87578 is a high-severity use after free vulnerability in Google Chrome, published on 9 Sep 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 Receiver in Google Chrome prior to 153.0.8010.36 allowed an adjacent attacker to execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: High)
Weakness: CWE-416
Which versions are affected by CVE-2026-87578?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-87578?
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-2026-87578 being exploited?
There is no known exploitation of CVE-2026-87578 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-87578, ECHO-80a8-e82c-924e, GHSA-g54g-rj3c-qp3h, MINI-r893-crh5-53jq.