What’s Vulnerable › Vulnerabilities

CVE-2019-1443

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-11-12 · updated 2026-06-17
• Weakness: CWE-434

Description

An information disclosure vulnerability exists in Microsoft SharePoint when an attacker uploads a specially crafted file to the SharePoint Server.An authenticated attacker who successfully exploited this vulnerability could potentially leverage SharePoint functionality to obtain SMB hashes.The security update addresses the vulnerability by correcting how SharePoint checks file content., aka 'Microsoft SharePoint Information Disclosure Vulnerability'.

Affected products

• Microsoft SharePoint Server: 2016
• Microsoft SharePoint Foundation 2013 Service Pack 1: 2010-sp2, 2013-sp1
• Microsoft SharePoint Server: 2019
• Microsoft SharePoint Server: 2016
• Microsoft SharePoint Foundation 2013 Service Pack 1: 2010 Service Pack 2, 2013 Service Pack 1
• Microsoft SharePoint Server: 2019

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1443
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1443

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