CVE-2026-87515 Missing authorization in Chrome
Remote attackers can bypass system access restrictions in Google Chrome via crafted HTML pages using social engineering, requiring users to update the browser.
- 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-2026-87515?
CVE-2026-87515 is a medium-severity missing authorization 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
Incorrect authorization in FileAPI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)
Weakness: CWE-863
Which versions are affected by CVE-2026-87515?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-87515?
Upgrade to a fixed version.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-87515 being exploited?
There is no known exploitation of CVE-2026-87515 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-87515, ECHO-0702-92ae-8d7c, GHSA-24c6-gm76-v7g7, MINI-gqg4-w3p9-gqj2.