CVE-2026-20958

CWE-918 — Server-Side Request Forgery (SSRF)5 documents5 sources
Severity
5.4MEDIUM
EPSS
0.1%
top 79.40%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Microsoft Microsoft Sharepoint Enterprise Server 2016Microsoft Microsoft Sharepoint Server 2019Microsoft Microsoft Sharepoint Server Subscription Edition+1 more
Timeline
PublishedJan 13

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.5

Affected Packages4 packages

▶NVDmicrosoft/sharepoint_server< 16.0.19127.20442+2
▶CVEListV5microsoft/microsoft_sharepoint_server_201916.0.0 — 16.0.10417.20083
▶CVEListV5microsoft/microsoft_sharepoint_enterprise_server_201616.0.0 — 16.0.5535.1001
▶CVEListV5microsoft/microsoft_sharepoint_server_subscription_edition16.0.0 — 16.0.19127.20442

🔴Vulnerability Details

2
CVEList
Microsoft SharePoint Information Disclosure Vulnerability↗2026-01-13
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GHSA
GHSA-m985-797h-4f3f: Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network↗2026-01-13
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📋Vendor Advisories

1
Microsoft
Microsoft SharePoint Information Disclosure Vulnerability↗2026-01-13
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🕵️Threat Intelligence

1
Wiz
CVE-2026-20958 Impact, Exploitability, and Mitigation Steps | Wiz↗
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