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.
Published: 2026-07-14 · CVSS: 7.8 · CVSS 3.1
Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7