Android App
CVE-2020-0943 — Microsoft YourPhone Application for Android Authentication Bypass Vulnerability
Executive 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. This requires an attacker to have access to the victim's device. The security update addresses the vulnerability by updating the way Microsoft YourPhoneCompanion application for Android processes notifications generated by work profiles.
Overview
4.6
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
ATTACK VECTOR
Physical
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
EPSS Score
0.0137
probability of exploitation in the next 30 days
0.69486 percentile - updated 2026-08-14
View on FIRST.org
Affected Products
1 affected product
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Your Phone Companion App for Android | Release Notes (Security Update) |
Important | Elevation of Privilege | Maybe |
Patches
1 patch
| Article | Type | Restart |
|---|---|---|
Release Notes |
Security Update | Maybe |
Exploits & PoC
No public exploit or PoC has been linked for this CVE yet. When available, references are sourced from public repositories and may be unverified or non-functional — review carefully before use.
Detection Rules
No public Sigma or Nuclei detection rule has been mapped to this CVE yet. Coverage is concentrated on exploited / high-profile vulnerabilities; check SigmaHQ for updates.
Acknowledgments
References
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