CVE Database · CVE-2021-33766
CVSS v3.1
7.3
EPSS
97.50%
Published
Jul 14, 2021
Modified
Oct 29, 2025
CISA Known Exploited Vulnerability
Added: 2022-01-18 · Due: 2022-02-01
Apply updates per vendor instructions.
Public PoC / Exploit (4)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
Microsoft Exchange Server Information Disclosure Vulnerability
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LAffected Products (5)
References (5)