CVE-2026-17882

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-30 · updated 2026-10-23
Weakness: CWE-693

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)

Affected products

Google Chrome: before 151.0.7922.72 — fixed in 151.0.7922.72

How to fix

Upgrade to a fixed version: Google Chrome 151.0.7922.72. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html
https://issues.chromium.org/issues/523637452

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