M365 Change Tracker

← All changes · security · CVE-2026-45502

CVE-2026-45502ImportantMonitor

Microsoft Exchange Server Information Disclosure Vulnerability

Severity Important  ·  Urgency Monitor

Why it matters: Important severity (CVSS 5)

Information Disclosure · Important · CVSS 5. Affects: Exchange Server.

CVSS 5EPSS 0.4%Update published 2026-06-23Source updated 2026-06-23NVD

Affected: Exchange Server

Change history

2026-06-23 · First seen

View at Microsoft →