CVE-2025-24989
Published 2025-02-19 · Updated 2026-06-17 · Source secure@microsoft.com
Summary
CVE-2025-24989 is a high-severity (CVSS 8.2) vulnerability in Microsoft Power Pages. CISA added it to the Known Exploited Vulnerabilities catalog on February 21, 2025, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by March 14, 2025. CISA does not currently list it as used in ransomware campaigns. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.
All 390 known-exploited Microsoft vulnerabilities →Description
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.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
CISA Known-Exploited Vulnerability
Product: Microsoft — Power Pages
Name: Microsoft Power Pages Improper Access Control Vulnerability
Date added: 2025-02-21 · Due: 2025-03-14
Required action: Apply mitigations per vendor instructions, follow BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.