Sharepoint Server
CVE-2026-20958
MEDIUM
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Primary rating from NVD.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Lifecycle Timeline
2DescriptionCVE.org
Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
AnalysisAI
Microsoft SharePoint Server contains a server-side request forgery vulnerability that allows authenticated users to access sensitive information across the network. An attacker with valid credentials can exploit this flaw to disclose confidential data without requiring user interaction. No patch is currently available for this issue.
Technical ContextAI
Classified as CWE-918 (Server-Side Request Forgery (SSRF)). Affects Sharepoint Server. Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
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Same weakness CWE-918 – Server-Side Request Forgery (SSRF)
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External POC / Exploit Code
Leaving vuln.today