PT-2026-2751 · Microsoft · Sharepoint Server

Chudypb + 1 · Published 2026-01-13 · Updated 2026-04-07 · CVE-2026-20951

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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

Description Improper input validation in Microsoft Office SharePoint can allow an unauthorized attacker to execute code locally.

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

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2026-00387

CVE-2026-20951

Affected Products

Sharepoint Server

References · 7

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20951 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-00387 · Security Note
• https://osv.dev/vulnerability/CVE-2026-20951 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20951 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-20951 · Security Note
• https://twitter.com/Cezar_H_Linux/status/2041616187088417172 · Twitter Post
• https://twitter.com/CVEnew/status/2011181535584752082 · Twitter Post