Critical CVSS 8.2 EPSS 0.01659 ⚠️ Exploited in the wild 2025-02 archive

Executive Summary

An improper access control vulnerability in Power Pages allows an unauthorized attacker to elevate privileges over a network potentially bypassing the user registration control. This vulnerability has already been mitigated in the service and all affected customers have been notified. This update addressed the registration control bypass. Affected customers have been given instructions on reviewing their sites for potential exploitation and clean up methods. If you've not been notified this vulnerability does not affect you.

Overview

8.2
CVSS HIGH
Critical
MS Severity
Exploited
MS Exploit Status
Exploitation Detected
MS Exploit Likelihood
Category Elevation of Privilege
Released Feb 11 2025
Last Updated Feb 11 2025
Publicly Disclosed No
CISA KEV Listed (added 2025-02-21)
Known Exploits None Known
EPSS Score 0.01659 — 0.73582 percentile

CVSS Vector

ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
Temporal Score: 7.1

EPSS Score

0.01659
probability of exploitation in the next 30 days
0.73582 percentile - updated 2026-06-20
View on FIRST.org

Affected Products

1 affected product
Product KB Article Severity Impact Restart Required
Microsoft Power Pages Critical Elevation of Privilege Unknown

Patches

1 patch
Article Type Restart
Unknown

Known Exploits

Acknowledgments

Raj Kumar with Microsoft