CVE-2026-87453 Information disclosure in Chrome
A confused deputy flaw in Chrome's BackgroundFetch allows a compromised renderer to leak sensitive information via a crafted HTML page.
- 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-2026-87453?
CVE-2026-87453 is a medium-severity 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
Confused deputy in BackgroundFetch in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to leak sensitive information via a crafted HTML page. (Chromium security severity: Medium)
Weakness: CWE-441
Which versions are affected by CVE-2026-87453?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-87453?
Upgrade to a fixed version.
Is CVE-2026-87453 being exploited?
There is no known exploitation of CVE-2026-87453 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-87453, ECHO-ee42-6e8f-4c46, GHSA-vq9g-7664-c37x, MINI-jg3j-pgwv-wj45.