Vulnerability record

CVE-2025-24989

Microsoft Power Pages Improper Access Control Vulnerability

CriticalExploitation confirmedCISA KEV

What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Power Pages, fix it now.

CISA 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.

US federal civilian agencies must remediate by Mar 14, 2025.

Patch status

Official fix available since Sep 30, 2026

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

Patch or advisory on msrc.microsoft.com (opens in a new tab)

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
Product	Vendor	Affected versions	Source
Power Pages	Microsoft	all versions	KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

CVSS scoredUpdateKEVSep 30, 2026
CVE-2025-24989 scored CVSS 9.8: Microsoft Power Pages, Microsoft Power Pages Improper Access Control Vulnerability
CISA lists this as exploited in the wild. Unpatched Power Pages systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
Patch releasedUpdateKEVSep 30, 2026
Patch released for CVE-2025-24989: Microsoft Power Pages, Microsoft Power Pages Improper Access Control Vulnerability
An official fix is now available for Microsoft Power Pages. This vulnerability is being exploited, so apply it promptly.
Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

msrc.microsoft.com https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-24989
nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2025-24989
msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24989
cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24989