CVE-2024-21390
Microsoft Authenticator Elevation of Privilege Vulnerability
HIGH
7.1
CVSS Score
Published: March 12, 2024 at 04:57 PM UTC
Updated: June 17, 2026 at 07:09 AM UTC
1 product affected across 1 vendorAuthenticator
Using Microsoft Authenticator by Microsoft?
Get instant alerts when new vulnerabilities affect Microsoft Authenticator - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.1
Exploit prediction
EPSS 1%
SSVC
No known exploit
Description
Microsoft Authenticator Elevation of Privilege Vulnerability
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 6.2401.0617, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Vendor AdvisoryPatch
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21390SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.1HIGHmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-287NVD-CWE-noinfo
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card