Outsource IT Computing Inc. logo
HighCloud and identityOct 27, 2026

Microsoft Fixes Android Authenticator Flaw That Exposed Work Accounts

Microsoft has resolved a security flaw in its Authenticator app for Android that allowed unauthorized applications to steal corporate sign-in tokens. A malicious app with no special permissions could disguise itself as a trusted service like Microsoft Teams to capture work credentials. Updating the app immediately closes this loophole and protects your business accounts from unauthorized access.

Cloud and identity security briefing

Who is affected

Organizations with staff using Microsoft Authenticator for Android on versions prior to 6.2606.4246.

How to mitigate it

  1. 1Update the Microsoft Authenticator app on all Android devices to version 6.2606.4246 or newer via the Google Play Store immediately.
  2. 2Use mobile device management controls to confirm that corporate and personal devices accessing work resources run supported application versions.
  3. 3Advise employees to enable automatic app updates on their mobile devices to ensure critical security patches apply promptly.

How Outsource IT solves this

Our Endpoint Management & User Support service deploys mobile device management policies to ensure all employee phones run approved, fully patched business applications.

Endpoint Management & User Support

Tags

Microsoft AuthenticatorAndroidMobile Security

Source advisory: the-hacker-news

Not sure whether this affects your business?

Outsource IT has been delivering managed services for over 20 years from Burlington, Ontario, supporting organizations right across Canada. Ask our team to review your exposure.

Talk to a security specialistRun the free IT health check

More security briefings

View the full security feed

Testimonials

Don't just take our word for it.

  • We were introduced to Outsource IT at a time when we were interested in improving our IT infrastructure and associated services. In working with Outsource IT; they have rebuilt our confidence in third party IT administration. As CBM grows, we know we are in good hands as we focus on serving our clients.
    Canadian Business MachinesFull service designer and precision metal fabricator.
  • Over the past 8 years, we have received exceptional service from Outsource IT. Their attention to our needs has been prompt and thorough and we are pleased to have them as our ongoing IT service provider.
    Hamilton Family Health TeamOntario's largest Family Health Team with over 150 doctors
  • Outsource IT has brought critical thinking, support and value to our Organization. Their attention to detail and strategic approach leverages I.T. operations to meet today's industry standards. Being EXCEPTIONAL is exactly what Outsource IT has brought to CICC.
    CICCCollege of Immigration and Citizenship Consultants

Technology partners we build on

Certified expertise across the platforms that run Canadian business, from Microsoft and Cisco to Fortinet, Dell and HPE.

  • Microsoft partner logo
  • Cisco partner logo
  • Fortinet partner logo
  • Barracuda partner logo
  • Dell Technologies partner logo
  • HP partner logo
  • Hewlett Packard Enterprise partner logo
  • Lenovo partner logo
  • VMware partner logo
  • Google partner logo
  • Eaton partner logo
  • 3CX partner logo