CVE-2025-21396: Microsoft Account Elevation of Privilege Vulnerability

7.5 CVSS

Description

Missing authorization in Microsoft Account allows an unauthorized attacker to elevate privileges over a network.

Classification

CVE ID: CVE-2025-21396

CVSS Base Severity: HIGH

CVSS Base Score: 7.5

Affected Products

Vendor: Microsoft

Product: Microsoft Account

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.09% (probability of being exploited)

EPSS Percentile: 39.42% (scored less or equal to compared to others)

EPSS Date: 2025-02-28 (when was this score calculated)

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21396

Timeline