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The vulnerability of the Microsoft Authenticator multi-factor authentication application lies in authentication errors in the handler for the customizable URL scheme. This allows attackers to disclose sensitive information that is protected by this authentication mechanism.

🗓️ 13 Mar 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 1 Views

Authentication errors in the customizable scheme handler of Microsoft Authenticator may leak sensitive information.

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microsoftauthenticatorRange<6.2511.7533

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13 Mar 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 24.9
CVSS 35.5
EPSS0.00603
1