CVE Database · CVE-2025-64666
CVSS v3.1
7.5
EPSS
0.98%
Published
Dec 9, 2025
Modified
Jan 2, 2026
Public PoC / Exploit
All weaponized →No public PoC or exploit code indexed for this CVE.
Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
Improper input validation in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HWeaknesses (CWE)
Affected Products (38)
References (1)