Microsoft vulnerabilities
Published CVEs affecting Microsoft products: 5234 record(s), with severity, exploitation and fixes.
Windows Server 2025 3001Windows Server 2025 (Server Core installation) 2997Windows 11 Version 24H2 2883Windows 11 Version 25H2 2835Windows Server 2022 2820Windows Server 2019 2708Windows Server 2019 (Server Core installation) 2666Windows 10 Version 1809 2600Windows 10 Version 21H2 2576Windows 11 version 26H1 2565Windows 10 Version 22H2 2559Windows 11 version 23H2 2391Windows Server 2016 2296Windows Server 2016 (Server Core installation) 2243Windows 11 24h2 2218Windows 10 Version 1607 2181Windows 11 25h2 2170Windows 10 1809 2066Windows 10 21h2 1982Windows 10 22h2 1968Windows 11 26h1 1882Windows Server 2012 1860Windows Server 2012 R2 1817Windows Server 2012 R2 (Server Core installation) 1808Windows 10 1607 1761Windows 11 23h2 1754Windows Server 2012 (Server Core installation) 1703Windows 11 Version 26H2 1007Microsoft 365 Apps for Enterprise 579365 Apps 575Microsoft Office LTSC 2024 559Microsoft Office LTSC 2021 556Windows Server 2022 23h2 544Windows Server 2022, 23H2 Edition (Server Core installation) 543Office 2021 465Office 2024 465Microsoft Office LTSC for Mac 2021 453Microsoft Office LTSC for Mac 2024 452Microsoft Office 2019 386Microsoft Office 365 for Mac 375
CVE-2026-70269
High · 8.1
CWE-122 Oct 13, 2026
Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-70268
High · 8.8
CWE-122 Oct 13, 2026
Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-70267
High · 7.2
CWE-829 Oct 13, 2026
Microsoft Office SharePoint Remote Code Execution Vulnerability
Inclusion of functionality from untrusted control sphere in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVE-2026-70266
High · 8.8
CWE-89 Oct 13, 2026
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
CVE-2026-70264
Medium · 5.5
CWE-59 Oct 13, 2026
Microsoft Defender Information Disclosure Vulnerability
Improper link resolution before file access ('link following') in Microsoft Defender allows an authorized attacker to disclose information locally.
CVE-2026-70263
Medium · 6.5
CWE-125 Oct 13, 2026
Microsoft Office Word Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
CVE-2026-70262
High · 8.8
CWE-122 Oct 13, 2026
WebDAV Elevation of Privilege Vulnerability
Heap-based buffer overflow in WebDAV allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-70261
Medium · 5.5
CWE-497 Oct 13, 2026
Microsoft Trace Data Helper Information Disclosure Vulnerability
Exposure of sensitive system information to an unauthorized control sphere in Microsoft Trace Data Helper allows an authorized attacker to disclose information locally.
CVE-2026-70260
Medium · 5.5
CWE-497 Oct 13, 2026
Microsoft Trace Data Helper Information Disclosure Vulnerability
Exposure of sensitive system information to an unauthorized control sphere in Microsoft Trace Data Helper allows an authorized attacker to disclose information locally.
CVE-2026-70259
Medium · 6.5
CWE-918 Oct 13, 2026
Microsoft Office SharePoint Information Disclosure Vulnerability
Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
CVE-2026-70258
High · 8.8
CWE-122 Oct 13, 2026
Microsoft Windows Media Foundation Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
CVE-2026-70257
High · 8.8
CWE-122 Oct 13, 2026
Microsoft Office Outlook Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
CVE-2026-70256
High · 8.8
CWE-122 Oct 13, 2026
Microsoft Office Outlook Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
CVE-2026-70255
High · 7.8
CWE-122 Oct 13, 2026
Desktop Window Manager Elevation of Privilege Vulnerability
Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-70254
High · 8.8
CWE-125 Oct 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVE-2026-70253
High · 7.0
CWE-416 Oct 13, 2026
Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
CVE-2026-70252
High · 7.0
CWE-416 Oct 13, 2026
Virtual Hard Disk (VHD) Miniport Driver Elevation of Privilege Vulernability
Use after free in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-70251
High · 7.5
CWE-918 Oct 13, 2026
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
CVE-2026-70250
High · 8.8
CWE-362 Oct 13, 2026
Windows DHCP Client Remote Code Execution Vulnerability
Use after free in Windows DHCP Client allows an unauthorized attacker to execute code over an adjacent network.
CVE-2026-70249
High · 7.0
CWE-416 Oct 13, 2026
Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.
CVE-2026-70248
Medium · 6.5
CWE-476 Oct 13, 2026
Windows Hyper-V Denial of Service Vulnerability
Null pointer dereference in Windows Hyper-V allows an authorized attacker to deny service locally.
CVE-2026-70247
High · 7.8
CWE-125 Oct 13, 2026
HTTP.sys Remote Code Execution Vulnerability
Out-of-bounds read in Windows HTTP.sys allows an authorized attacker to execute code locally.
CVE-2026-70246
High · 8.8
CWE-863 Oct 13, 2026
Microsoft Office SharePoint Elevation of Privilege Vulnerability
Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
CVE-2026-70245
High · 7.8
CWE-843 Oct 13, 2026
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-70244
Medium · 6.5
CWE-125 Oct 13, 2026
Windows DNS Server Information Disclosure Vulnerability
Out-of-bounds read in DNS Server allows an unauthorized attacker to disclose information over a network.