Microsoft SharePoint Server Vulnerabilities & Security Advisories
118 advisories tracked · Microsoft Security Update Guide (MSRC) · 9 listed in the CISA Known Exploited Vulnerabilities catalog
Every row below is a published Microsoft Server advisory that VulniPulse classified as SharePoint Server, with the CVEs, affected and fixed releases and exploitation status the vendor stated. Severity mix: 10 critical, 68 high, 40 medium, 3 low.
Source
Microsoft Security Update Guide (MSRC)
Polled via the official MSRC Security Update Guide RSS feed (api.msrc.microsoft.com, no credentials required), scoped to SERVER products only — Windows Server, Exchange, SQL Server, SharePoint, Hyper-V and companion server roles. Client-only CVEs (Edge, Office apps, consumer Windows) are filtered out via the monthly CVRF document's affected-product list.
Latest Microsoft SharePoint Server advisories
Critical [CVE-2026-58644] Microsoft SharePoint Remote Code Execution Vulnerability
Microsoft SharePoint Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
Critical [CVE-2026-55040] Microsoft SharePoint Server Security Feature Bypass Vulnerability
Microsoft SharePoint Server Security Feature Bypass Vulnerability Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-55130] Microsoft Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-55128] Microsoft Word Remote Code Execution Vulnerability
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-55134] Microsoft Word Remote Code Execution Vulnerability
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-55132] Microsoft Word Remote Code Execution Vulnerability
Double free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-55033] Microsoft Word Remote Code Execution Vulnerability
Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to execute code locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-55045] Microsoft Office Remote Code Execution Vulnerability
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-55125] Microsoft Office Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-58277] Microsoft SharePoint Elevation of Privilege Vulnerability
Microsoft SharePoint Elevation of Privilege Vulnerability Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019.
Medium [CVE-2026-55121] Microsoft Office Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
Medium [CVE-2026-55142] Microsoft Word Information Disclosure Vulnerability
Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to disclose information locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
Medium [CVE-2026-55124] Microsoft Word Information Disclosure Vulnerability
Improper validation of specified type of input in Microsoft Office Word allows an unauthorized attacker to disclose information locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
Medium [CVE-2026-55050] Microsoft Word Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
Medium [CVE-2026-55026] Microsoft Office Information Disclosure Vulnerability
Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to disclose information locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-45458] Microsoft Outlook and Word Remote Code Execution Vulnerability
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-45456] Microsoft Outlook and Word Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-45471] Microsoft Word Remote Code Execution Vulnerability
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
Medium [CVE-2026-45483] Microsoft Office Project Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office Project Server allows an authorized attacker to perform spoofing over a network. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-47294] Microsoft SharePoint Server Remote Code Execution Vulnerability
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. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-45659] Microsoft SharePoint Remote Code Execution Vulnerability
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-40367] Microsoft Word Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Office Word allows an unauthorized attacker to execute code locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-40365] Microsoft SharePoint Server Remote Code Execution Vulnerability
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
Medium [CVE-2026-32201] Microsoft SharePoint Server Spoofing Vulnerability
Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
Medium [CVE-2026-20945] Microsoft SharePoint Server Spoofing Vulnerability
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. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-21511] Microsoft Outlook Spoofing Vulnerability
Deserialization of untrusted data in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-21260] Microsoft Outlook Spoofing Vulnerability
Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
Critical [CVE-2026-20963] Microsoft SharePoint Remote Code Execution Vulnerability
Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-20948] Microsoft Word Remote Code Execution Vulnerability
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019.
High [CVE-2026-20947] Microsoft SharePoint Server Remote Code Execution Vulnerability
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. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-20951] Microsoft SharePoint Server Remote Code Execution Vulnerability
Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2026-20943] Microsoft Office Click-To-Run Remote Code Execution Vulnerability
Untrusted search path in Microsoft Office allows an unauthorized attacker to execute code locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
Medium [CVE-2026-20958] Microsoft SharePoint Information Disclosure Vulnerability
Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
Critical [CVE-2025-53770] Microsoft SharePoint Server Remote Code Execution Vulnerability
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. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
Medium [CVE-2025-49706] Microsoft SharePoint Server Spoofing Vulnerability
Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2025-26642] Microsoft Office Remote Code Execution Vulnerability
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally. Affected product named by the advisory: Microsoft SharePoint Server 2019.
High [CVE-2025-29820] Microsoft Word Remote Code Execution Vulnerability
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Affected product named by the advisory: Microsoft SharePoint Enterprise Server 2016.
High [CVE-2025-29794] Microsoft SharePoint Remote Code Execution Vulnerability
Improper authorization in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
High [CVE-2025-27747] Microsoft Word Remote Code Execution Vulnerability
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally. Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019.
High [CVE-2025-27746] Microsoft Office Remote Code Execution Vulnerability
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Affected product named by the advisory: SharePoint Server Subscription Edition Language Pack.
Medium [CVE-2024-49065] Microsoft Office Remote Code Execution Vulnerability
Microsoft Office Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019.
Medium [CVE-2024-43466] Microsoft SharePoint Server Denial of Service Vulnerability
Microsoft SharePoint Server Denial of Service Vulnerability Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
Medium [CVE-2023-36890] Microsoft SharePoint Server Information Disclosure Vulnerability
Microsoft SharePoint Server Information Disclosure Vulnerability Affected products named by the advisory: Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
Critical [CVE-2023-21716] Microsoft Word Remote Code Execution Vulnerability
Microsoft Word Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2013 Service Pack 1; Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Foundation 2013 Service Pack 1; Microsoft SharePoint Server 2019; and 2 more. Affected products named by the advisory: Microsoft SharePoint Server Subscription Edition; SharePoint Server Subscription Edition Language Pack.
High [CVE-2023-21717] Microsoft SharePoint Server Elevation of Privilege Vulnerability
Microsoft SharePoint Server Elevation of Privilege Vulnerability Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2013 Service Pack 1; Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Foundation 2013 Service Pack 1; Microsoft SharePoint Server 2019; and 1 more. Affected products named by the advisory: Microsoft SharePoint Server Subscription Edition.
High [CVE-2022-41061] Microsoft Word Remote Code Execution Vulnerability
Microsoft Word Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2013 Service Pack 1; Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition; and 1 more. Affected products named by the advisory: SharePoint Server Subscription Edition Language Pack.
High [CVE-2022-41062] Microsoft SharePoint Server Remote Code Execution Vulnerability
Microsoft SharePoint Server Remote Code Execution Vulnerability Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2013 Service Pack 1; Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Foundation 2013 Service Pack 1; Microsoft SharePoint Server 2019; and 1 more. Affected products named by the advisory: Microsoft SharePoint Server Subscription Edition.
Medium [CVE-2022-41122] Microsoft SharePoint Server Spoofing Vulnerability
Microsoft SharePoint Server Spoofing Vulnerability Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2013 Service Pack 1; Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Foundation 2013 Service Pack 1; Microsoft SharePoint Server 2019; and 1 more. Affected products named by the advisory: Microsoft SharePoint Server Subscription Edition.
Medium [CVE-2022-41060] Microsoft Word Information Disclosure Vulnerability
Microsoft Word Information Disclosure Vulnerability Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2013 Service Pack 1; Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; SharePoint Server Subscription Edition Language Pack.
Medium [CVE-2022-41103] Microsoft Word Information Disclosure Vulnerability
Microsoft Word Information Disclosure Vulnerability Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2013 Service Pack 1; Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition; and 1 more. Affected products named by the advisory: SharePoint Server Subscription Edition Language Pack.
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