CVE-2025-24989

Read full 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.

CVSS 8.2 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE

0.0/10

REALITY · THREAT PRIORITY

8.2/10

General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?

Recorded exploitation baseline: +7.00
Technical severity: CVSS 8.2: +1.23
Fresh EPSS: 1.62%: +0.01

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 5 documents and public datasets.

Hype components

Headline sample (25%)

0/100

Press, 30 days (60%)

0/100

Grounded branding (15%)

0/100

HYPE TOTAL0/100

Sources and documents

Cybersecurity Dive

Press · 24 Feb 2025, 08:00 · Microsoft Power Pages vulnerability exploited in the wild - Cybersecurity Dive

SecurityWeek

Press · 20 Feb 2025, 08:00 · Microsoft Patches Exploited Power Pages Vulnerability - SecurityWeek

Security Affairs

Press · 20 Feb 2025, 08:00 · Microsoft fixed actively exploited flaw in Power Pages - Security Affairs

BleepingComputer

Press · 20 Feb 2025, 08:00 · Microsoft fixes Power Pages zero-day bug exploited in attacks - BleepingComputer

The Register

Press · 20 Feb 2025, 08:00 · Microsoft Power Pages websites attacked via security hole - The Register

Score evolution

● Hype ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.2 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

Public exploit entries / repo candidates

Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence: Exploitation recorded
Priority basis: Recorded exploitation; CVSS 8.2; EPSS 1.6%
Attention, last 30 days: 0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential: network access, no prior privileges, no user interaction.
Observed activity: Exploitation recorded in CISA KEV.
Known scale: Not quantified.
Evidence confidence basis: Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:59:31.695937+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline

Published

19 Feb 2025, 22:18

First press mention

20 Feb 2025, 08:00

Added to the CISA KEV catalog

21 Feb 2025, 00:00

Latest press mention

24 Feb 2025, 08:00

Score calculated

05 Nov 2026, 13:59