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-2026-70177
High · 7.8
CWE-20 Oct 13, 2026
Microsoft Windows Search Component Elevation of Privilege Vulnerability
Numeric truncation error in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVE-2026-70176
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-2026-70175
High · 8.1
CWE-640 Oct 13, 2026
ASP.NET Core Elevation of Privilege Vulnerability
Improper authentication in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-70174
High · 8.8
CWE-358 Oct 13, 2026
.NET Remote Code Execution Vulnerability
Improperly implemented security check for standard in .NET allows an unauthorized attacker to execute code over a network.
CVE-2026-70173
Medium · 5.5
CWE-125 Oct 13, 2026
Microsoft Windows Search Component Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Windows Search Component allows an authorized attacker to disclose information locally.
CVE-2026-70172
High · 7.8
CWE-822 Oct 13, 2026
Windows NTFS Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows NTFS allows an authorized attacker to elevate privileges locally.
CVE-2026-70170
Medium · 6.5
CWE-822 Oct 13, 2026
Windows Kernel Denial of Service Vulnerability
Untrusted pointer dereference in Windows Kernel allows an authorized attacker to deny service over a network.
CVE-2026-70169
High · 7.0
CWE-362 Oct 13, 2026
Windows Connected Devices Platform Service Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Connected Devices Platform Service allows an authorized attacker to elevate privileges locally.
CVE-2026-70168
High · 7.0
CWE-416 Oct 13, 2026
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-70167
High · 8.8
CWE-822 Oct 13, 2026
Windows Domain Name Service Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in DNS Server allows an authorized attacker to execute code over a network.
CVE-2026-70166
Medium · 6.5
CWE-125 Oct 13, 2026
Windows DNS Denial of Service Vulnerability
Out-of-bounds read in Windows DNS allows an authorized attacker to deny service over a network.
CVE-2026-70165
Medium · 6.7
CWE-59 Oct 13, 2026
.NET Elevation of Privilege Vulnerability
Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.
CVE-2026-70164
High · 7.0
CWE-416 Oct 13, 2026
Windows TCP/IP Elevation of Privilege Vulnerability
Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
CVE-2026-70163
High · 7.5
CWE-770 Oct 13, 2026
Microsoft OpenSSH for Windows Denial of Service Vulnerability
Allocation of resources without limits or throttling in OpenSSH for Windows allows an unauthorized attacker to deny service over a network.
CVE-2026-70162
Medium · 5.9
CWE-405 Oct 13, 2026
.NET Denial of Service Vulnerability
A denial of service vulnerability exists when Microsoft Common Object Runtime Library improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET web application.
A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET application.
The update addresses the vulnerability by correcting how the .NET web application handles web requests.
CVE-2026-70161
High · 7.3
CWE-22 Oct 13, 2026
.NET Elevation of Privilege Vulnerability
Improper limitation of a pathname to a restricted directory ('path traversal') in .NET allows an authorized attacker to elevate privileges locally.
CVE-2026-70160
High · 7.0
CWE-416 Oct 13, 2026
Windows Kernel Elevation of Privilege Vulnerability
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-70159
High · 7.5
CWE-770 Oct 13, 2026
ASP.NET Core Denial of Service Vulnerability
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
CVE-2026-70158
High · 8.8
CWE-415 Oct 13, 2026
Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine
CVE-2026-70157
Critical · 9.8
CWE-122 Oct 13, 2026
Windows System Information Console Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows System Information Console allows an unauthorized attacker to execute code over a network.
CVE-2026-70156
High · 7.0
CWE-416 Oct 13, 2026
Microsoft Windows Search Component Elevation of Privilege Vulnerability
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVE-2026-70155
High · 7.5
CWE-401 Oct 13, 2026
Windows DNS Denial of Service Vulnerability
Missing release of memory after effective lifetime in Windows DNS allows an unauthorized attacker to deny service over a network.
CVE-2026-70153
Critical · 9.8
CWE-122 Oct 13, 2026
Microsoft PostScript Printer Driver Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft PostScript Printer Driver allows an unauthorized attacker to execute code over a network.
CVE-2026-70151
High · 7.8
CWE-416 Oct 13, 2026
Windows Direct Composition Elevation of Privilege Vulnerability
Use after free in Windows Direct Composition allows an authorized attacker to elevate privileges locally.
CVE-2026-70150
High · 7.0
CWE-416 Oct 13, 2026
Microsoft Windows Search Component Elevation of Privilege Vulnerability
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.