PT-2026-2757 · Microsoft · Sharepoint Server

Published 2026-01-13 · Updated 2026-01-13 · CVE-2026-20958

Positive Technologies (AI Summary)

CVSS v2.0

5.5

Medium

Base vector

AV:N/AC:L/Au:S/C:P/I:P/A:N

Name of the Vulnerable Software and Affected Versions Microsoft Office SharePoint (affected versions not specified)

Description An authorized attacker could potentially disclose information over a network due to a server-side request forgery issue. This issue affects Microsoft Office SharePoint. The attack involves server-side request forgery (SSRF).

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

BDU:2026-00400

CVE-2026-20958

Affected Products

Sharepoint Server

References · 6

• https://osv.dev/vulnerability/CVE-2026-20958 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-00400 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20958 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20958 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-20958 · Security Note
• https://twitter.com/CVEnew/status/2011142885274485008 · Twitter Post