CVE-2026-55009 Microsoft Exchange Server Elevation of Privilege Vulnerability
Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.
EPSS 0.03 CVE-2026-55009 Microsoft US
EPSS 0.03 EPSS k 4. 11. 2026
zvyšuje závažnost mírně zvyšuje závažnost snižuje závažnost
Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.
EPSS 0.03 CVE-2026-55009 Microsoft US