CVE-2026-3063

Severity: medium (CVSS 5.4 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: 2026-02-23 · updated 2026-06-17

Description

Inappropriate implementation in DevTools in Google Chrome prior to 145.0.7632.116 allowed an attacker who convinced a user to install a malicious extension to inject scripts or HTML into a privileged page via DevTools. (Chromium security severity: High)

Affected products

Google Chrome: before 145.0.7632.116; before 145.0.7632.117 — fixed in 145.0.7632.116, 145.0.7632.117

How to fix

Upgrade to a fixed version: Google Chrome 145.0.7632.116, 145.0.7632.117. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop_23.html
https://issues.chromium.org/issues/485287859

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