[NEW] [high] Microsoft Power Apps: Vulnerability enables privilege escalation

A remote, anonymous attacker can exploit a vulnerability in Microsoft Power Apps to elevate privileges.

CSIRTS triage

What: A remote vulnerability enables privilege escalation by an unauthenticated attacker.
Who is affected: Any organization using Microsoft Power Apps accessible remotely.
Urgency: High priority; remote privilege escalation by anonymous attacker is critical even if not yet exploited.
Action: Apply security update from Microsoft as soon as available.

AI-assisted analysis generated from the source advisory — verify against the original.

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EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-591180.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all EPSS-scored CVEs.

CVE	CSIRTS overview	External
CVE-2026-59118	coverage & exploitation status	NVD · CVE.org

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.