Medium (4.4) in microsoft. EPSS 1.6% chance of exploitation in the next 30 days.
An information disclosure vulnerability exists in the way Microsoft SharePoint handles session objects. An authenticated attacker who successfully exploited the vulnerability could hijack the session of another user.
To exploit this vulnerability, the attacker could run a specially crafted application.
The security update corrects how SharePoint handles session objects to prevent user session hijacking.
Severity
CVSS 3.0
4.4 medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS
1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)