Microsoft Server SharePoint Server Vulnerabilities & Security Advisories
32 advisories tracked · Microsoft Security Update Guide (MSRC) · 3 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: 3 critical, 19 high, 12 medium, 1 low.
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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 MS Server SharePoint Server advisories
Medium [CVE-2026-62826] Microsoft SharePoint Server Spoofing Vulnerability
Microsoft SharePoint Server Spoofing Vulnerability Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
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-2026-55052] 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; 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.
Medium [CVE-2026-56164] Microsoft SharePoint Server Elevation of Privilege Vulnerability
Microsoft SharePoint Server Elevation of Privilege Vulnerability Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
Medium [CVE-2026-55051] Microsoft SharePoint Server Information Disclosure Vulnerability
Microsoft SharePoint Server Information Disclosure Vulnerability 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.