CVE-2026-3940: Low Insufficient policy enforcement in DevTools.
Chromium: CVE-2026-3940 Insufficient policy enforcement in DevTools
Other sources
Insufficient policy enforcement in DevTools in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Low)
— MITRE
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Credit
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2026-3940?
CVE-2026-3940 is classified as a high severity vulnerability due to its potential to allow remote attackers to bypass navigation restrictions.
How do I fix CVE-2026-3940?
To fix CVE-2026-3940, update Google Chrome to version 146.0.7680.71 or later.
Which versions of Google Chrome are affected by CVE-2026-3940?
CVE-2026-3940 affects Google Chrome versions prior to 146.0.7680.71.
Are there any affected versions of Microsoft Edge related to CVE-2026-3940?
Yes, CVE-2026-3940 affects Microsoft Edge versions prior to 146.0.3856.59.
What type of attack can exploit CVE-2026-3940?
CVE-2026-3940 can be exploited via a crafted HTML page that bypasses navigation restrictions.