Microsoft vulnerabilities
We track 1,120 vulnerabilities in Microsoft products across 60+ products. 1,077 are rated high or critical, and 406 have been exploited in real attacks. The most recent was published on November 10, 2026.
Latest Microsoft vulnerabilities
- 10.0 Critical severity
Microsoft Netlogon Privilege Escalation Exploited
An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol (MS-NRPC). An attacker who successfully exploited the vulnerability could run
- 5.5 Medium severity
Microsoft Windows Spoofing Exploited
A spoofing vulnerability exists when Windows incorrectly validates file signatures. An attacker who successfully exploited this vulnerability could bypass security features and load improperly signed files. In an attack scenario, an attacker could bypass secur
- 8.8 High severity
Microsoft Internet Explorer Scripting Engine Memory Corruption Exploited
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current u
- 10.0 Critical severity
Microsoft Windows DNS Server Remote Code Execution Exploited
A remote code execution vulnerability exists in Windows Domain Name System servers when they fail to properly handle requests, aka 'Windows DNS Server Remote Code Execution Vulnerability'.
- 7.8 High severity
Microsoft .NET Framework, SharePoint, and Visual Studio Remote Code Execution Exploited
A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check the source markup of XML file input, aka '.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulner
- 9.0 Critical severity
Microsoft Hyper-V RemoteFX vGPU Remote Code Execution Exploited
A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability'. This CVE ID is un
- 7.8 High severity
Microsoft Windows Kernel Privilege Escalation Exploited
An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory, aka 'Windows Kernel Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1237, CVE-2020-1246, CVE-2020-1262, CVE-2020-1264,
- 7.8 High severity
Microsoft Win32k Privilege Escalation Exploited
An elevation of privilege vulnerability exists in Windows when the Windows kernel-mode driver fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then
- 7.8 High severity
Microsoft Windows Kernel Privilege Escalation Exploited
An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory, aka 'Windows Kernel Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0913, CVE-2020-1000, CVE-2020-1003.
- 8.8 High severity
Microsoft Windows Adobe Font Manager Library Remote Code Execution Exploited
A remote code execution vulnerability exists in Microsoft Windows when the Windows Adobe Type Manager Library improperly handles a specially-crafted multi-master font - Adobe Type 1 PostScript format.For all systems except Windows 10, an attacker who successfu
- 7.5 High severity
Microsoft Internet Explorer Scripting Engine Memory Corruption Exploited
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-0970.
- 7.8 High severity
Microsoft Windows Adobe Font Manager Library Remote Code Execution Exploited
A remote code execution vulnerability exists in Microsoft Windows when the Windows Adobe Type Manager Library improperly handles a specially-crafted multi-master font - Adobe Type 1 PostScript format.For all systems except Windows 10, an attacker who successfu
- 10.0 Critical severity
Microsoft SMBv3 Remote Code Execution Exploited
A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Remote Code Execution Vulnerability'.
- 7.8 High severity
Microsoft Windows Background Intelligent Transfer Service (BITS) Improper Privilege Management Exploited
An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) improperly handles symbolic links, aka 'Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability'.
- 8.8 High severity
Microsoft Exchange Server Validation Key Remote Code Execution Exploited
A remote code execution vulnerability exists in Microsoft Exchange software when the software fails to properly handle objects in memory, aka 'Microsoft Exchange Memory Corruption Vulnerability'.
- 7.8 High severity
Microsoft Windows Installer Privilege Escalation Exploited
An elevation of privilege vulnerability exists in the Windows Installer when MSI packages process symbolic links, aka 'Windows Installer Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0686.
- 7.5 High severity
Microsoft Internet Explorer Scripting Engine Memory Corruption Exploited
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-0673, CVE-2020-0710, CVE-2020-0711, CV
- 8.8 High severity
Microsoft SQL Server Reporting Services Remote Code Execution Exploited
A remote code execution vulnerability exists in Microsoft SQL Server Reporting Services when it incorrectly handles page requests, aka 'Microsoft SQL Server Reporting Services Remote Code Execution Vulnerability'.
- 9.8 Critical severity
Microsoft .NET Framework Remote Code Execution Exploited
A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka '.NET Framework Remote Code Execution Injection Vulnerability'.
- 7.8 High severity
Microsoft Update Notification Manager Privilege Escalation Exploited
An elevation of privilege vulnerability exists in the way the Update Notification Manager handles files.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Update Notification Manager Elevation of Privilege
- 8.1 High severity
Microsoft Windows CryptoAPI Spoofing Exploited
A spoofing vulnerability exists in the way Windows CryptoAPI (Crypt32.dll) validates Elliptic Curve Cryptography (ECC) certificates.An attacker could exploit the vulnerability by using a spoofed code-signing certificate to sign a malicious executable, making i
- 7.8 High severity
Microsoft Win32k Privilege Escalation Exploited
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'.
- 7.5 High severity
Microsoft Internet Explorer Scripting Engine Memory Corruption Exploited
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-1426, CVE-2019-1427, CVE-2019-1428.
- 7.8 High severity
Microsoft Windows Universal Plug and Play (UPnP) Service Privilege Escalation Exploited
An elevation of privilege vulnerability exists when the Windows Universal Plug and Play (UPnP) service improperly allows COM object creation, aka 'Windows UPnP Service Elevation of Privilege Vulnerability'.
- 7.8 High severity
Microsoft Windows Certificate Dialog Privilege Escalation Exploited
An elevation of privilege vulnerability exists in the Windows Certificate Dialog when it does not properly enforce user privileges, aka 'Windows Certificate Dialog Elevation of Privilege Vulnerability'.
- 7.8 High severity
Microsoft Windows AppX Deployment Extensions Privilege Escalation Exploited
An elevation of privilege vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in access to system files.To exploit this vulnerability, an authenticated attacker would need to run a specially craf
- 7.8 High severity
Microsoft Windows Privilege Escalation Exploited
An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka 'Microsoft Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1320, CVE-2019-1340.
- 7.8 High severity
Microsoft Windows Error Reporting Manager Privilege Escalation Exploited
An elevation of privilege vulnerability exists when Windows Error Reporting manager improperly handles hard links, aka 'Windows Error Reporting Manager Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1339, CVE-2019-1342.
- 7.5 High severity
Microsoft Internet Explorer Scripting Engine Memory Corruption Exploited
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-1221.
- 8.8 High severity
Microsoft Excel Remote Code Execution Exploited
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'.
- 7.8 High severity
Microsoft Windows AppX Deployment Server Privilege Escalation Exploited
An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly handles junctions.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Elevation of Privilege Vulnerab
- 7.8 High severity
Microsoft Windows Privilege Escalation Exploited
An elevation of privilege vulnerability exists in the way that ws2ifsl.sys (Winsock) handles objects in memory, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1253, CVE-2019-1278, CVE-2019-1303.
- 7.8 High severity
Microsoft Windows Privilege Common Log File System (CLFS) Escalation Exploited
An elevation of privilege vulnerability exists when the Windows Common Log File System (CLFS) driver improperly handles objects in memory, aka 'Windows Common Log File System Driver Elevation of Privilege Vulnerability'.
- 7.8 High severity
Microsoft Win32k Privilege Escalation Exploited
An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'.
- 7.8 High severity
Microsoft Windows AppX Deployment Service Privilege Escalation Exploited
An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1129.
- 7.8 High severity
Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Exploited
An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1130.
- 8.8 High severity
Microsoft SQL Server Remote Code Execution Exploited
A remote code execution vulnerability exists in Microsoft SQL Server when it incorrectly handles processing of internal functions, aka 'Microsoft SQL Server Remote Code Execution Vulnerability'.
- 7.8 High severity
Microsoft Windows Privilege Escalation Exploited
A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls, aka 'Microsoft splwow64 Elevation of Privilege Vulnerability'.
- 7.8 High severity
Microsoft Task Scheduler Privilege Escalation Exploited
An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations. An attacker who successfully exploited the vulnerability could gain elevated privileges on a victim system. To exploit the vulnerability, an
- 7.8 High severity
Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Exploited
An elevation of privilege vulnerability exists when Windows AppX Deployment Service (AppXSVC) improperly handles hard links. An attacker who successfully exploited this vulnerability could run processes in an elevated context. An attacker could then install pr