Windows vulnerabilities
36 known vulnerabilities in Windows from Microsoft. 35 are rated high or critical, and 31 have been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.
Latest first
- 7.4 High severity
Windows: Unprotected Alternate Channel
The Microsoft vulnerable driver block list is implemented as Windows Defender Application Control (WDAC) policy. Entries that specify only the to-be-signed (TBS) part of the code signer certificate are properly blocked, but entries that specify the signing cer
- 7.4 High severity
Windows: Missing Synchronization
The on-endpoint Microsoft vulnerable driver blocklist is not fully synchronized with the online Microsoft recommended driver block rules. Some entries present on the online list have been excluded from the on-endpoint blocklist longer than the expected periodi
- 7.8 High severity
Windows: User Interface (UI) Misrepresentation of Critical Information
Microsoft Windows LNK File UI Misrepresentation Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Windows. User interaction is required to exploit this vulnerability
- 7.5 High severity
Windows: NULL Pointer Dereference
An access violation vulnerability exists in the DirectComposition functionality win32kbase.sys driver version 10.0.22000.593 as part of Windows 11 version 22000.593 and version 10.0.20348.643 as part of Windows Server 2022 version 20348.643. A specially-crafte
- 7.0 High severity
McAfee Total Protection for Windows: Time-of-check Time-of-use (TOCTOU) Race Condition
A race condition vulnerability exists in the QuickClean feature of McAfee Total Protection for Windows prior to 16.0.43 that allows a local user to gain privilege elevation and perform an arbitrary file delete. This could lead to sensitive files being deleted
- 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 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
- 7.8 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
- 7.8 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'.
- 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.
- 7.8 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'.
- 7.8 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.
- 7.8 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.
- 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'.
- 8.8 High severity
Microsoft GDI Remote Code Execution Exploited
A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory, aka 'GDI+ Remote Code Execution Vulnerability'.
- 7.8 High severity
Microsoft Windows Error Reporting (WER) Privilege Escalation Exploited
An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'.
- 9.8 Critical severity
Microsoft Remote Desktop Services Remote Code Execution Exploited
A remote code execution vulnerability exists in Remote Desktop Services formerly known as Terminal Services when an unauthenticated attacker connects to the target system using RDP and sends specially crafted requests, aka 'Remote Desktop Services Remote Code
- 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'. This CVE ID is unique from CVE-2019-0685, CVE-2019-0803.
- 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-2019-0730, CVE-2019-0731, CVE-2019-0796, CVE-2019-08
- 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'. This CVE ID is unique from CVE-2019-0685, CVE-2019-0859.
- 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'. This CVE ID is unique from CVE-2019-0797.
- 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'. This CVE ID is unique from CVE-2019-0808.
- 6.5 Medium severity
Microsoft Windows SMB Information Disclosure Exploited
An information disclosure vulnerability exists in the way that the Windows SMB Server handles certain requests, aka 'Windows SMB Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-0704, CVE-2019-0821.
- 7.8 High severity
Microsoft Windows Transaction Manager Privilege Escalation Exploited
The kernel-mode drivers in Transaction Manager in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2; Windows 7 SP1; Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allow local use