Microsoft: >> Sharepoint Server >> 16.0.18526.20424 Security Vulnerabilities
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVSS Score
8.8
EPSS Score
0.047
Published
2025-09-09
Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
CVSS Score
7.1
EPSS Score
0.002
Published
2025-08-12
Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
CVSS Score
6.5
EPSS Score
0.461
Published
2025-07-20
CVE-2025-53770
Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute code over a network.
Microsoft is aware that an exploit for CVE-2025-53770 exists in the wild.
Microsoft is preparing and fully testing a comprehensive update to address this vulnerability. In the meantime, please make sure that the mitigation provided in this CVE documentation is in place so that you are protected from exploitation.
Known exploited
CVSS Score
9.8
EPSS Score
0.909
Published
2025-07-20
Cross-site scripting (XSS) vulnerability in the management interface in Microsoft FAST ESP 5.1.5 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
CVSS Score
4.3
EPSS Score
0.14
Published
2011-09-12
Microsoft SharePoint uses URLs with the same hostname and port number for a web site's primary files and individual users' uploaded files (aka attachments), which allows remote authenticated users to leverage same-origin relationships and conduct cross-site scripting (XSS) attacks by uploading HTML documents.
CVSS Score
3.5
EPSS Score
0.148
Published
2008-11-10
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