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CVE PROGRAM SOURCE RECORD10.0 Critical

CVE-2026-18886

Unauthenticated Privilege Escalation via System Configuration Image Upload Processor

Description

ServiceNow has remediated an improper access control vulnerability that was identified in the ServiceNow AI platform. This vulnerability could enable an unauthenticated user, in certain circumstances, to create or modify instance data beyond what was intended, resulting in privilege escalation.  ServiceNow deployed a security update to hosted instances and ServiceNow provided the update to our partners and self-hosted customers. We are not currently aware of exploitation against ServiceNow instances.  We recommend customers promptly apply appropriate updates or upgrade to a patched release if they have not already done so.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

ServiceNow ServiceNow AI Platform

Default version status: unaffected

  • 0 to < Xanadu Patch 11 Hot Fix 7aaffected
  • 0 to < Yokohama Patch 12 Hot Fix 3baffected
  • 0 to < Yokohama Patch 13 Hot Fix 4affected
  • 0 to < Zurich Patch 7b Hot Fix 3affected
  • 0 to < Zurich Patch 8 Hot Fix 5affected
  • 0 to < Zurich Patch 9 Hot Fix 6affected
  • 0 to < Zurich Patch 10 Hot Fix 2m (m-branch)affected
  • 0 to < Zurich Patch 10 Hot Fix 3 (standard)affected
  • 0 to < Zurich Patch 11affected
  • 0 to < Zurich Patch 12affected
  • 0 to < Australia Patch 2 Hot Fix 3affected
  • 0 to < Australia Patch 3 Hot Fix 2affected
  • 0 to < Australia Patch 3maffected
  • 0 to < Australia Patch 4affected
  • 0 to < Australia Patch 5affected

References