CVE-2026-20958

Published: Jan 13, 2026

Modified: Apr 1, 2026

PUBLISHED

CVSS v3.1

5.4

MEDIUM

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

Vendor	Product	Versions
Microsoft	Microsoft SharePoint Enterprise Server 2016	affected `16.0.0 - < 16.0.5535.1001`
Microsoft	Microsoft SharePoint Server 2019	affected `16.0.0 - < 16.0.10417.20083`
Microsoft	Microsoft SharePoint Server Subscription Edition	affected `16.0.0 - < 16.0.19127.20442`

CVSS v3.1 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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

vendor-advisory

patch

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