Microsoft vulnerabilities
Published CVEs affecting Microsoft products: 5261 record(s), with severity, exploitation and fixes.
Windows Server 2025 3001Windows Server 2025 (Server Core installation) 2987Windows 11 Version 24H2 2873Windows 11 24h2 2856Windows 11 Version 25H2 2825Windows Server 2022 2820Windows 11 25h2 2808Windows Server 2019 2708Windows Server 2019 (Server Core installation) 2657Windows 10 1809 2624Windows 10 Version 1809 2590Windows 10 Version 21H2 2567Windows 11 version 26H1 2555Windows 10 21h2 2551Windows 10 Version 22H2 2550Windows 10 22h2 2537Windows 11 26h1 2516Windows 11 version 23H2 2383Windows 11 23h2 2364Windows Server 2016 2297Windows Server 2016 (Server Core installation) 2233Windows 10 1607 2214Windows 10 Version 1607 2171Windows Server 2012 1885Windows Server 2012 R2 1807Windows Server 2012 R2 (Server Core installation) 1798Windows Server 2012 (Server Core installation) 1693Windows 11 Version 26H2 1007Windows 11 26h2 980Microsoft 365 Apps for Enterprise 576365 Apps 575Microsoft Office LTSC 2024 554Microsoft Office LTSC 2021 551Windows Server 2022 23h2 544Windows Server 2022, 23H2 Edition (Server Core installation) 543Office 2021 465Office 2024 465Microsoft Office LTSC for Mac 2021 459Microsoft Office LTSC for Mac 2024 459Microsoft Office 2019 386
CVE-2026-56175
High · 7.8
CWE-122 Jul 14, 2026
Windows NTFS Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.
CVE-2026-56173
High · 7.0
CWE-416 Jul 14, 2026
Windows WebView Elevation of Privilege Vulnerability
Use after free in Windows WebView allows an authorized attacker to elevate privileges locally.
CVE-2026-56168
Medium · 6.5
CWE-476 Jul 14, 2026
Windows SMB Server Denial of Service Vulnerability
Null pointer dereference in Windows SMB Server allows an authorized attacker to deny service over a network.
CVE-2026-56159
Critical · 9.8
CWE-122 Jul 14, 2026
DHCP Server Service Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
CVE-2026-56157
Medium · 5.4
CWE-284 Jul 14, 2026
Microsoft SharePoint Server Spoofing Vulnerability
Improper access control in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
CVE-2026-56156
High · 7.8
CWE-122 Jul 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55949
High · 7.8
CWE-908 Jul 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55947
High · 7.8
CWE-122 Jul 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55944
Critical · 9.8
CWE-502 Jul 14, 2026
Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Code Execution Vulnerability
Deserialization of untrusted data in Microsoft Dynamics NAV allows an unauthorized attacker to execute code over a network.
CVE-2026-55898
High · 7.1
CWE-125 Jul 14, 2026
Microsoft Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-55145
High · 7.1
CWE-77 Jul 14, 2026
Outlook Copilot Tampering Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Outlook Copilot allows an authorized attacker to perform tampering over a network.
CVE-2026-55142
Medium · 5.5
CWE-197 Jul 14, 2026
Microsoft Word Information Disclosure Vulnerability
Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
CVE-2026-55141
High · 7.8
CWE-121 Jul 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55140
High · 7.8
CWE-122 Jul 14, 2026
Microsoft Office Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-55139
Low · 3.3
CWE-125 Jul 14, 2026
Microsoft Office Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-55138
Medium · 5.5
CWE-822 Jul 14, 2026
Microsoft Excel Information Disclosure Vulnerability
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-55137
High · 7.8
CWE-122 Jul 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55136
High · 7.8
CWE-822 Jul 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55135
Medium · 5.4
CWE-79 Jul 14, 2026
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.
CVE-2026-55134
High · 7.8
CWE-121 Jul 14, 2026
Microsoft Word Remote Code Execution Vulnerability
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-55133
High · 7.8
CWE-122 Jul 14, 2026
Microsoft OneNote Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized attacker to execute code locally.
CVE-2026-55132
High · 7.8
CWE-415 Jul 14, 2026
Microsoft Word Remote Code Execution Vulnerability
Double free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-55131
High · 7.8
CWE-122 Jul 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55130
High · 7.8
CWE-787 Jul 14, 2026
Microsoft Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-55129
High · 7.8
CWE-122 Jul 14, 2026
Microsoft Office Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.