CVE Database · CVE-2026-42897
CVSS v3.1
8.1
EPSS
2.51%
Published
May 14, 2026
Modified
May 15, 2026
CISA Known Exploited Vulnerability
Added: 2026-05-15 · Due: 2026-05-29
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
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:NWeaknesses (CWE)
Affected Products (40)
References (2)