Security Updates for Microsoft Exchange Server (May 2026)

Version 1.5

Oct 20, 2026, 12:55 PM

CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:H/RL:OF/RC:C")
CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:H/RL:O/RC:C")
Exploit attributes ("Exploited by malware" set to "True")