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-2026-55042
Medium · 5.5
CWE-908 Jul 14, 2026
Microsoft Office Information Disclosure Vulnerability
Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-55041
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-2026-55039
High · 7.8
CWE-122 Jul 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55038
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-2026-55040
Critical · 9.1
KEV Urgent · 73 Public exploit CWE-1390 Jul 14, 2026
Microsoft SharePoint Weak Authentication Vulnerability
Weak authentication in Microsoft Office SharePoint allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-55037
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-2026-55036
High · 7.8
CWE-126 Jul 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55035
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-2026-55034
High · 8.7
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-2026-55033
High · 7.8
CWE-122 Jul 14, 2026
Microsoft Word Remote Code Execution Vulnerability
Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-55032
High · 7.8
CWE-416 Jul 14, 2026
Microsoft Word Remote Code Execution Vulnerability
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2026-55031
High · 7.8
CWE-125 Jul 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55030
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-2026-55029
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-2026-55028
Medium · 5.5
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-2026-55027
Medium · 5.5
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-2026-55026
Medium · 5.5
CWE-190 Jul 14, 2026
Microsoft Office Information Disclosure Vulnerability
Integer overflow or wraparound in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-55025
High · 7.8
CWE-843 Jul 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55024
High · 7.8
CWE-843 Jul 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55023
Medium · 5.5
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-2026-55022
High · 7.8
CWE-843 Jul 14, 2026
Microsoft Office Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-55021
High · 8.7
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-2026-55020
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-2026-55019
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-2026-55018
High · 7.8
CWE-416 Jul 14, 2026
Microsoft Office Remote Code Execution Vulnerability
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.