CVE-2026-3938: Low Insufficient policy enforcement in Clipboard.
Chromium: CVE-2026-3938 Insufficient policy enforcement in Clipboard
Other sources
Insufficient policy enforcement in Clipboard in Google Chrome prior to 146.0.7680.71 allowed a remote attacker who had compromised the renderer process to leak cross-origin data 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-2026-3938?
CVE-2026-3938 has been classified with a high severity rating due to the potential for data leakage from cross-origin processes.
How do I fix CVE-2026-3938?
To fix CVE-2026-3938, update Google Chrome to version 146.0.7680.71 or later.
Who is affected by CVE-2026-3938?
CVE-2026-3938 affects Google Chrome versions prior to 146.0.7680.71 and Microsoft Edge versions prior to 146.0.3856.59.
What type of vulnerability is CVE-2026-3938?
CVE-2026-3938 is described as an insufficient policy enforcement vulnerability in the Clipboard component.
Can CVE-2026-3938 be exploited remotely?
Yes, CVE-2026-3938 can be exploited by a remote attacker who has compromised the renderer process to leak sensitive data.