[Security Alert] Vulnerability Confirmed in "Microsoft Authenticator"

On May 14, 2026, a high-severity vulnerability was confirmed in the "Microsoft Authenticator" authentication app for smart devices. Consequently, the latest version containing security fixes has been released.
If you are using this app for multi-factor authentication, please update it immediately.

Affected Versions:

• iOS: Microsoft Authenticator versions prior to 6.8.47
• Android: Microsoft Authenticator versions prior to 6.2605.2973

How to Update:

Please perform the update through the automatic update feature or your respective app store.
https://support.microsoft.com/ja-jp/authenticator/download-microsoft-authenticator

Reference Information:

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41615