---
title: "CVE-2025-24989: Microsoft Power Pages Improper Access Control Vulnerability"
url: https://erroneo.us/security/cve/CVE-2025-24989/
description: "CVE-2025-24989 (Microsoft Power Pages): Exploited in the wild (CISA KEV). An improper access control vulnerability in Power Pages allows an unauthorized…"
type: vulnerability-record
section: "Security Digest"
date_published: 2025-02-19
date_modified: 2026-02-13
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2025-24989"
kev: true
cvss: 8.2
epss: 0.01622
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2025-24989: Microsoft Power Pages Improper Access Control Vulnerability

**Signal:** Exploited: patch now if you run it. CISA has confirmed exploitation in the wild. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- Yes, if you run Microsoft Power Pages. CISA added this CVE to its Known Exploited Vulnerabilities catalog on 2025-02-21, which means there is reliable evidence of exploitation in the wild. US federal agencies must remediate by 2025-03-14 ; treat that as the outer limit, not the target.
- EPSS 1.6% , percentile 76: FIRST’s model estimates a 1.6% chance of exploitation activity in the next 30 days, higher than 76% of all scored CVEs (moderate). EPSS is a probability, not a verdict.
- Remotely reachable with no login and no user interaction. If the vulnerable service is exposed to the internet, prioritize 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 products (CVE record)

- Microsoft Microsoft Power Pages: -

## Severity

- microsoft CVSS 3.1: 8.2 `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N/E:U/RL:O/RC:C`

## Exploitation

- CISA KEV: added 2025-02-21; federal due date 2025-03-14. Known ransomware use: Unknown.
- 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.
- CISA SSVC assessment: exploitation active , automatable no , technical impact total .
- FIRST EPSS (model of 2026-10-21): 1.62% probability of exploitation activity in the next 30 days; percentile 76.

## Sources

- [Microsoft Power Pages Elevation of Privilege Vulnerability](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24989)
- [Listed in CISA KEV notes (msrc.microsoft.com)](https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-24989)
- [CVE.org record CVE-2025-24989](https://www.cve.org/CVERecord?id=CVE-2025-24989)
- [NVD entry CVE-2025-24989](https://nvd.nist.gov/vuln/detail/CVE-2025-24989)
- [CISA Known Exploited Vulnerabilities catalog entry](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24989)

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Source page: https://erroneo.us/security/cve/CVE-2025-24989/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt