Microsoft SharePoint Server 2019 vulnerabilities
24 known vulnerabilities in Microsoft SharePoint Server 2019 from Microsoft. 22 are rated high or critical, and 14 have been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.
Latest first
- 8.7 High severity
Microsoft SharePoint Server 2019: Improper Neutralization of Input During Web Page Generation
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
- 9.3 Critical severity
Microsoft SharePoint Enterprise Server 2016: Improper Neutralization of Input During Web Page Generation
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
- 8.8 High severity
Microsoft SharePoint Code Injection Exploited
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
- 9.1 Critical severity
Microsoft SharePoint Weak Authentication Exploited
Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.
- 8.7 High severity
Microsoft SharePoint Enterprise Server 2016: Improper Neutralization of Input During Web Page Generation
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
- 8.7 High severity
Microsoft SharePoint Enterprise Server 2016: Improper Neutralization of Input During Web Page Generation
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
- 9.8 Critical severity
Microsoft SharePoint Deserialization of Untrusted Data Exploited
Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
- 9.8 Critical severity
Microsoft SharePoint Server Missing Authentication for Critical Function Exploited
Missing authentication for critical function in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network.
- 9.8 Critical severity
Microsoft SharePoint Deserialization of Untrusted Data Exploited
Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
- 8.8 High severity
Microsoft SharePoint Enterprise Server 2016: Improper Limitation of a Pathname to a Restricted Directory
Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
- 8.0 High severity
Microsoft SharePoint Enterprise Server 2016: Improper Neutralization of Special Elements used in an OS Command
Improper neutralization of special elements used in an os command ('os command injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
- 8.8 High severity
Microsoft SharePoint Server Deserialization of Untrusted Data Exploited
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
- 6.5 Medium severity
Microsoft SharePoint Server Improper Input Validation Exploited
Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
- 9.3 Critical severity
Microsoft SharePoint Enterprise Server 2016: Improper Neutralization of Input During Web Page Generation
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
- 7.5 High severity
Microsoft 365 Apps for Enterprise: Exposure of Sensitive Information to an Unauthorized Actor
Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
- 9.8 Critical severity
Microsoft SharePoint Deserialization of Untrusted Data Exploited
Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
- 8.8 High severity
Microsoft SharePoint Enterprise Server 2016: Improper Neutralization of Special Elements used in an SQL Command
Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
- 9.8 Critical severity
Microsoft SharePoint Deserialization of Untrusted Data Exploited
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 co
- 6.5 Medium severity
Microsoft SharePoint Improper Authentication Exploited
Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
- 8.8 High severity
Microsoft SharePoint Code Injection Exploited
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
- 8.8 High severity
Microsoft SharePoint Enterprise Server 2016: Improper Neutralization of Special Elements used in an SQL Command
Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
- 7.2 High severity
Microsoft SharePoint Deserialization Exploited
Microsoft SharePoint Remote Code Execution Vulnerability
- 9.8 Critical severity
Microsoft SharePoint Server Privilege Escalation Exploited
Microsoft SharePoint Server Elevation of Privilege Vulnerability
- 7.2 High severity
Microsoft SharePoint Server Code Injection Exploited
Microsoft SharePoint Server Remote Code Execution Vulnerability