CVE-2026-17882 Security feature bypass in Chrome
An attacker can bypass site isolation in Google Chrome by convincing a user to install a malicious extension, compromising browser security boundaries.
- 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-2026-17882?
CVE-2026-17882 is a medium-severity vulnerability in Google Chrome, published on 30 Jul 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
Policy bypass in Extensions in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to bypass site isolation via a crafted Chrome Extension. (Chromium security severity: Medium)
Weakness: CWE-693
Which versions are affected by CVE-2026-17882?
It affects 1 product.
Products include Google Chrome.
How do I fix CVE-2026-17882?
Upgrade to a fixed version.
Is CVE-2026-17882 being exploited?
There is no known exploitation of CVE-2026-17882 in the wild and no public exploit code.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-17882, ECHO-2e47-e706-4f78, GHSA-g3c9-mhvm-x87q, MINI-6p85-33g5-wr62.