CVE-2025-24989 Microsoft Power Pages Improper Access Control Vulnerability
Microsoft Power Pages contains an improper access control vulnerability that allows an unauthorized attacker to elevate privileges over a network potentially bypassing the user registration control.
From the CISA KEV catalogue version 2026.11.06, with Cybergen analysis. Updated 6 Nov 2026.
Should You Worry?
- CISA confirmed exploitation in the wild and added it to the Known Exploited Vulnerabilities catalogue on 21 Feb 2025.
- Rated High severity (CVSS 8.2, scored by Vendor).
- It has been in the catalogue for 623 days. Systems still unpatched now have almost certainly been scanned for it.
What It Is
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.
Affected Versions
| Product | Versions |
|---|---|
| Microsoft Microsoft Power Pages | - |
From the public CVE record, as supplied by the vendor. Always confirm against the vendor advisory.
What To Do Now
- 1
Find it
Search your asset inventory and external attack surface for Microsoft Power Pages. Include cloud images, appliances and anything a supplier runs for you.
Attack Surface Management - 2
Fix it
Apply mitigations per vendor instructions, follow BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vulnerability Management - 3
Hunt for compromise
If an affected system was reachable before you patched, assume it may have been hit. Check logs, new accounts, web shells and outbound connections from the date of exposure.
Incident Response - 4
Prove it is fixed
Rescan or test the system after patching. Upgrades that fail silently and forgotten secondary instances are common.
Penetration Testing
The Compliance Clock
General guidance, not legal advice. Your obligations depend on your sector, scope and jurisdiction.
Not Sure If You Are Exposed?
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