CVE Database · CVE-2023-21529
CVSS v3.1
8.8
EPSS
62.10%
Published
Feb 14, 2023
Modified
Apr 14, 2026
CISA Known Exploited Vulnerability
Added: 2026-04-13 · Due: 2026-04-27
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Public PoC / Exploit (1)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
Microsoft Exchange Server Remote Code Execution Vulnerability
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeaknesses (CWE)
Affected Products (4)
References (4)