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TI-2020-00913 Aliases CVE-2020-0943GHSA-5g9w-mffc-46fh

An authentication bypass vulnerability exists in Microsoft YourPhoneCompanion application…

Priority LOW 24Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

An authentication bypass vulnerability exists in Microsoft YourPhoneCompanion application for Android, in the way the application processes notifications generated by work profiles.This could allow an unauthenticated attacker to view notifications, aka 'Microsoft YourPhone Application for Android Authentication Bypass Vulnerability'.

Why it matters now

EPSS 0.0137 72nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft Your Phone Companion App for Androidall versions—No fix listedCNA
  • Microsoft Your Phone Companion App for Android VendorMicrosoft Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:your_phone_companion:-:*:*:*:*:android:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:a:microsoft:your_phone_companion:-:*:*:*:*:android:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-0943
  2. 2026-10-03 Alias added: GHSA-5g9w-mffc-46fh

References

Patch 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences