M365 Change Tracker

← All changes · security · CVE-2026-66306

CVE-2026-66306ImportantMonitor

Skype for Business Information Disclosure Vulnerability

Severity Important  ·  Urgency Monitor

Why it matters: Important severity (CVSS 6.5)

Information Disclosure · Important · CVSS 6.5. Affects: Skype for Business Server, Skype for Business Server Subscription Edition CU1.

CVSS 6.5Security update published 2026-09-08Applies to On-premisesNVD

Affected: Skype for Business Server, Skype for Business Server Subscription Edition CU1

Related changes

Change history

2026-09-08 · First captured by tracker

View at Microsoft →