High (8.4) in microsoft exchange server. EPSS 46% chance of exploitation in the next 30 days.
<p>A remote code execution vulnerability exists in Microsoft Exchange server due to improper validation of cmdlet arguments.</p>
<p>An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the System user. Exploitation of the vulnerability requires an authenticated user in a certain Exchange role to be compromised.</p>
<p>The security update addresses the vulnerability by correcting how Microsoft Exchange handles cmdlet arguments.</p>
Severity
CVSS 3.1
8.4 high
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
EPSS
46% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)