CVEs / CVE-2025-24989
CVE-2025-24989: Microsoft Power Pages Improper Access Control Vulnerability
- Known exploited in the CISA KEV catalog since 21 Feb 2025
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 1.62% chance of exploitation in the next 30 days, higher than 76% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
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.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Microsoft Power Pages | - | — |
Exploitation
| In CISA KEV since | 21 Feb 2025 |
|---|---|
| Due date for US federal agencies | 14 Mar 2025 |
| Used in ransomware campaigns | Unknown |
| 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. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-284 |
References
- CVE-2025-24989 on NVD
- CVE-2025-24989 in the CISA KEV catalog
- https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-24989 (cited by CISA)
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24989 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24989 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.