CVE

CVE-2026-56155

P2MENA

Microsoft Active Directory Federation Services Insufficient Granularity of Access Control Vulnerability

Microsoft · Active Directory Federation Services

Date added (CISA)

2026-07-14

Remediation due

2026-07-28

Known ransomware use

Not indicated

Remediation priority

P2 — tied to a tracked MENA case · past CISA due date

MENA-relevant: this CVE surfaced in at least one tracked MENA case, not just present in the undifferentiated CISA catalog.

Associated with

Related to

Lazarus Group (TraderTraitor cluster) / APT38 / BlueNoroff · SPECTREcampaignCorrelated cluster2026-09-16
DysphoriacampaignCorrelated cluster2026-08-24

ATT&CK mapping

No ATT&CK mapping yet

The CTID Mappings Explorer hasn't published an exploitation/impact technique mapping for this CVE yet.