Affects Microsoft Entra identity provisioning (widely used). Privilege escalation can compromise tenant identities and access controls across enterprises.
CVE-2026-59115
Authenticated attacker can escalate privileges via Microsoft Entra Provisioning Service (SyncFabric).
Is CVE-2026-59115 being exploited?
Not confirmed. CVE-2026-59115 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 0.77% probability of exploitation in the next 30 days.
How severe is CVE-2026-59115?
CVE-2026-59115 is rated Critical with a CVSS score of 9.9. 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-2026-59115?
Yes. A fix has been recorded for CVE-2026-59115. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-59115 affect?
CVE-2026-59115 affects Microsoft Entra Provisioning Service (SyncFabric), Microsoft Entra / Entra ID, Azure AD provisioning components. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-59115?
Apply vendor patch when available; restrict provisioning access and monitor identity logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attacker can remotely elevate privileges via SyncFabric path parsing, enabling modification of identities, permissions, or provisioning flows.
Immediate action required