CVE-2026-55009
Microsoft Exchange Server Elevation of Privilege Vulnerability
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 7.8EPSS 1.7%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Lifecycle
14 Jul 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C