CVE-2025-24989: Microsoft Power Pages Improper Access Control Vulnerability
Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.
Generated by VEDAS. Scores as of 2026-11-01 19:19 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.
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.
Description quoted from the CVE record (assigned by microsoft, published 2025-02-19).
Weakness: CWE-284: Improper Access Control
How it can be exploited
Exploitable over the network with low attack complexity needing no privileges and no user interaction. Impact: confidentiality low, integrity high, availability none. 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
CISA assessment (SSVC): CISA assesses exploitation as active. Automatable: no. Technical impact: total.
- On CISA KEV since
- 2025-02-21
- US federal deadline
- 2025-03-14
- Ransomware use
- Not known
Public exploit evidence (Exploit Observer)
Also known as: BDU:2025-01958, CNNVD-202502-2060, EUVD-2025-4642, GHSA-pxjr-976r-24r6
Exploit Observer has no public exploit code that names this CVE or one of its aliases.
Vulnerability databases and vendor advisories (7)
Catalogue entries, not exploit evidence.
- Vulnerability database or vendor advisory: https://access.redhat.com/security/cve/cve-2025-24989
- Vulnerability database or vendor advisory: https://euvd.enisa.europa.eu/enisa/EUVD-2025-4642
- Vulnerability database or vendor advisory: https://github.com/advisories/GHSA-pxjr-976r-24r6
- Vulnerability database or vendor advisory: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-24989
- Vulnerability database or vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-24989
- Vulnerability database or vendor advisory: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24989
- Vulnerability database or vendor advisory: https://www.cnnvd.org.cn/home/globalSearch?keyword=CNNVD-202502-2060
76 more references returned by Exploit Observer did not name this CVE or an alias, so they are left out.
VEDAS data as of 2026-11-01T17:12 UTC; fetched 2026-11-02.
Live scores
- EPSS
- 0.016
some chance of attack soon - VEDAS
- 0.701
some exploit evidence - On CISA KEV
- Yes, since 2025-02-21
- Detection rule
- None yet
Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish.
Who is affected
| Product | Affected | Not affected |
|---|---|---|
| Microsoft Microsoft Power Pages | version - | Not stated |
Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.
Exploit Observer also maps it to: microsoft power_pages, microsoft_corp microsoft_power_pages.
How to fix it
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.
Vendor guidance:
- Microsoft Power Pages Elevation of Privilege Vulnerability (vendor-advisory, patch)
How to detect it
There is no open VEDAS detection rule for this bug yet. It is listed on the detection gaps page if CISA has confirmed attacks.
References
Vendor advisories and patches
- Microsoft Power Pages Elevation of Privilege Vulnerability (vendor-advisory, patch)
Government sources
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24989 (government-resource)
Other databases
Where this comes from
This advisory is generated automatically by VEDAS from: CVE.org record, CISA KEV, cve-scores (EPSS and VEDAS), Exploit Observer. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.