CVE-2026-20958CWE-918

Microsoft SharePoint Information Disclosure Vulnerability

Medium · published January 13, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
27.2
In the wild
Unconfirmed
What it is

Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00348 · 27.2th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-01-13T17:57Z
EPSS history
Timeline
  • 13 JAN 17:57Z
    Microsoft SharePoint Information Disclosure Vulnerability
    cvelistv5