Microsoft Power Apps is widely used across enterprises; network privilege escalation can lead to tenant-wide data and resource compromise.
CVE-2026-59118
Improper authorization in Microsoft Power Apps enabling remote privilege escalation.
Is CVE-2026-59118 being exploited?
Not confirmed. CVE-2026-59118 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.48% probability of exploitation in the next 30 days.
How severe is CVE-2026-59118?
CVE-2026-59118 is rated Critical with a CVSS score of 9.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-59118?
Yes. A fix has been recorded for CVE-2026-59118. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-59118 affect?
CVE-2026-59118 affects Microsoft Power Apps, Microsoft Power Platform. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-59118?
Restrict Power Apps access, review permissions, and apply vendor patch when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Network-based privilege escalation in Power Apps allowing attackers to assume higher privileges and access/modify tenant data and resources.
Immediate action required