Vulnerability

CVE-2025-24989

High· 8.2KEVCVSS8.2EPSS32%

.rules3/5

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.

Threat signal

97/100

Severe

Severity

high

CVSS

8.2

EPSS

32%

Active

KEV

CISA KEV — actively exploited

456d overdue

AffectedMicrosoft — Power Pages

Added to KEV

2025-02-21

Federal patch due (BOD 22-01)

2025-03-14

Required action (CISA verbatim)

Apply mitigations per vendor instructions, follow BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Vendor advisory + references

CISA description: “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.”

CVSS

v3.1Open in FIRST calculator →

8.2/ 10HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

Attack VectorNetworkExploitable remotely over the internet — no local access needed.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredNoneUnauthenticated — no credentials needed.
User InteractionNoneFully automated — no victim action needed.
ScopeUnchangedImpact contained to the vulnerable component.
Confidentiality ImpactLowSome data disclosure; attacker doesn't fully control what.
Integrity ImpactHighTotal compromise of integrity — full data modification possible.
Availability ImpactNoneNo availability impact.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

31.6%

probability of exploitation in next 30 days

p97

higher than 97% of all CVEs

3-day trend↑ 0pp

Above the FIRST 'patch on a priority schedule' threshold.

Vendor VEX

No VEX statements published for CVE-2025-24989. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCAct

Active exploitation with total impact on essential/support systems

exploitation: active
automatable: yes
impact: total
mission: support

Lifecycle

2025-02-21Added to CISA KEVransomware: Unknown
2025-02-21Published
2025-03-14Federal patch due (BOD 22-01)
2026-06-12Last modified1 source

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.