CVE-2026-87632 Cross-site scripting in Chrome
A remote attacker can bypass web origin policy via a crafted HTML page exploiting a cross-site scripting flaw in the SanitizerAPI.
- 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-2026-87632?
CVE-2026-87632 is a medium-severity cross-site scripting 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
Cross-site scripting in SanitizerAPI in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
Weakness: CWE-79
Which versions are affected by CVE-2026-87632?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-87632?
Upgrade to a fixed version.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-87632 being exploited?
There is no known exploitation of CVE-2026-87632 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-87632, ECHO-d5d9-b157-7b77, GHSA-gcrp-pj35-9x65, MINI-v235-mjcj-8x5g.