CVE-2021-33766
MI
Microsoft Exchange Server
Microsoft Exchange Server Information Disclosure
What it is
Microsoft Exchange Server contains an information disclosure vulnerability which can allow an unauthenticated attacker to steal email traffic from target.
What to do
Apply updates per vendor instructions.
Vendor notices and references
Description and required action as published by CISA. Full record at NVD.
Other Microsoft entries on the list
- Office Microsoft Office Outlook Missing User Interaction for Potentially Unsafe Action Vulnerability CVE-2026-124194 · Nov 10, 2026
- Windows Microsoft Windows Command Injection Vulnerability CVE-2026-96951 · Oct 13, 2026
- SharePoint Microsoft SharePoint Code Injection Vulnerability CVE-2026-65660 · Sep 25, 2026
- Windows Microsoft Windows Heap-Based Buffer Overflow Vulnerability CVE-2026-85880 · Sep 8, 2026
- Windows Microsoft Windows Link Following Vulnerability CVE-2026-81963 · Sep 8, 2026
- SQL Server Microsoft SQL Server Remote Code Execution Vulnerability CVE-2019-1068 · Aug 26, 2026