Windows 8.1 vulnerabilities

96 known vulnerabilities in Windows 8.1 from Microsoft. 87 are rated high or critical, and 96 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

• 7.8 High severity

  Microsoft Windows Installer Privilege Escalation Exploited

  CVE-2020-0683Feb 11, 2020MicrosoftEPSS 7.67%

  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 Win32k Privilege Escalation Exploited

  CVE-2019-1458Dec 10, 2019MicrosoftEPSS 74.4%

  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

  CVE-2019-1405Nov 12, 2019MicrosoftEPSS 30.2%

  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

  CVE-2019-1388Nov 12, 2019MicrosoftEPSS 8.59%

  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 Error Reporting Manager Privilege Escalation Exploited

  CVE-2019-1315Oct 10, 2019MicrosoftEPSS 3.48%

  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 Privilege Escalation Exploited

  CVE-2019-1215Sep 11, 2019MicrosoftEPSS 19.3%

  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

  CVE-2019-1214Sep 11, 2019MicrosoftEPSS 1.42%

  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 Windows AppX Deployment Service Privilege Escalation Exploited

  CVE-2019-1130Jul 15, 2019MicrosoftEPSS 1.72%

  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 Privilege Escalation Exploited

  CVE-2019-0880Jul 15, 2019MicrosoftEPSS 2.31%

  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

  CVE-2019-0903May 16, 2019MicrosoftEPSS 21.7%

  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

  CVE-2019-0863May 16, 2019MicrosoftEPSS 5.21%

  An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'.

• 7.8 High severity

  Microsoft Win32k Privilege Escalation Exploited

  CVE-2019-0859Apr 9, 2019MicrosoftEPSS 4.19%

  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 Win32k Privilege Escalation Exploited

  CVE-2019-0803Apr 9, 2019MicrosoftEPSS 45.2%

  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

  CVE-2019-0797Apr 9, 2019MicrosoftEPSS 1.87%

  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

  CVE-2019-0703Apr 9, 2019MicrosoftEPSS 9.38%

  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 Privilege Escalation Exploited

  CVE-2019-0543Jan 8, 2019MicrosoftEPSS 4.68%

  An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka "Microsoft Windows Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows S

• 7.8 High severity

  Microsoft Windows Win32k Improper Resource Shutdown or Release Exploited

  CVE-2018-8639Dec 12, 2018MicrosoftEPSS 22.3%

  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 affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 20

• 7.8 High severity

  Microsoft Windows Kernel Privilege Escalation Exploited

  CVE-2018-8611Dec 12, 2018MicrosoftEPSS 4.2%

  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 affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, W

• 7.8 High severity

  Microsoft Win32k Privilege Escalation Exploited

  CVE-2018-8453Oct 10, 2018MicrosoftEPSS 70%

  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 affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 20

• 7.8 High severity

  Microsoft Windows Privilege Escalation Exploited

  CVE-2018-8440Sep 13, 2018MicrosoftEPSS 18.5%

  An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC), aka "Windows ALPC Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Serve

• 7.8 High severity

  Microsoft DirectX Graphics Kernel Privilege Escalation Exploited

  CVE-2018-8405Aug 15, 2018MicrosoftEPSS 3.44%

  An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory, aka "DirectX Graphics Kernel Elevation of Privilege Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Wind

• 7.5 High severity

  Microsoft Windows VBScript Engine Out-of-Bounds Write Exploited

  CVE-2018-8174May 9, 2018MicrosoftEPSS 88.2%

  A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008,

• 8.8 High severity

  Microsoft COM for Windows Deserialization of Untrusted Data Exploited

  CVE-2018-0824May 9, 2018MicrosoftEPSS 73%

  A remote code execution vulnerability exists in "Microsoft COM for Windows" when it fails to properly handle serialized objects, aka "Microsoft COM for Windows Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1

• 9.8 Critical severity

  Microsoft Windows Search Remote Code Execution Exploited

  CVE-2017-8543Jun 15, 2017MicrosoftEPSS 74.2%

  Microsoft Windows XP SP3, Windows XP x64 XP2, Windows Server 2003 SP2, Windows Vista, Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows S

• 8.8 High severity

  Microsoft Windows Shell (.lnk) Remote Code Execution Exploited

  CVE-2017-8464Jun 15, 2017MicrosoftEPSS 90%

  Windows Shell in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allows local users or remote attackers to execute

• 7.8 High severity

  Microsoft Win32k Privilege Escalation Exploited

  CVE-2017-0263May 12, 2017MicrosoftEPSS 10%

  The kernel-mode drivers in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allow local users to gain privileges via a crafted

• 7.3 High severity

  Microsoft Windows Privilege Escalation Exploited

  CVE-2017-0213May 12, 2017MicrosoftEPSS 84.3%

  Windows COM Aggregate Marshaler in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an elevation privilege vulnerabi

• 7.5 High severity

  Microsoft Windows SMBv1 Information Disclosure Exploited

  CVE-2017-0147Mar 17, 2017MicrosoftEPSS 99.7%

  The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to obtain sen

• 6.5 Medium severity

  Microsoft XML Core Services Information Disclosure Exploited

  CVE-2017-0022Mar 17, 2017MicrosoftEPSS 18.1%

  Microsoft XML Core Services (MSXML) in Windows 10 Gold, 1511, and 1607; Windows 7 SP1; Windows 8.1; Windows RT 8.1; Windows Server 2008 SP2 and R2 SP1; Windows Server 2012 Gold and R2; Windows Server 2016; and Windows Vista SP2 improperly handles objects in me

• 7.8 High severity

  Microsoft Windows Graphics Device Interface (GDI) Privilege Escalation Exploited

  CVE-2017-0005Mar 17, 2017MicrosoftEPSS 11%

  The Graphics Device Interface (GDI) in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607 allows local users to gain privileges via a

• 7.8 High severity

  Microsoft Graphics Device Interface (GDI) Privilege Escalation Exploited

  CVE-2017-0001Mar 17, 2017MicrosoftEPSS 3.11%

  The Graphics Device Interface (GDI) in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607 allows local users to gain privileges via a

• 8.8 High severity

  Microsoft Windows Open Type Font Remote Code Execution Exploited

  CVE-2016-7256Nov 10, 2016MicrosoftEPSS 64.6%

  atmfd.dll in the Windows font library in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, 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 allows remote attack

• 7.8 High severity

  Microsoft Win32k Privilege Escalation Exploited

  CVE-2016-7255Nov 10, 2016MicrosoftEPSS 81%

  The kernel-mode drivers in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, 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 users to gain privileg

• 7.8 High severity

  Microsoft Windows Graphics Device Interface (GDI) Remote Code Execution Exploited

  CVE-2016-3393Oct 14, 2016MicrosoftEPSS 68.5%

  Graphics Device Interface (aka GDI or GDI+) in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607 allows remote attackers to execute

• 7.8 High severity

  Microsoft Windows Kernel Privilege Escalation Exploited

  CVE-2016-3309Aug 9, 2016MicrosoftEPSS 20.5%

  The kernel-mode drivers in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607 allow local users to gain privileges via a crafted appl

• 7.8 High severity

  Microsoft Windows Media Center Remote Code Execution Exploited

  CVE-2016-0185May 11, 2016MicrosoftEPSS 69.8%

  Media Center in Microsoft Windows Vista SP2, Windows 7 SP1, and Windows 8.1 allows remote attackers to execute arbitrary code via a crafted Media Center link (aka .mcl) file, aka "Windows Media Center Remote Code Execution Vulnerability."

• 7.8 High severity

  Microsoft Win32k Privilege Escalation Exploited

  CVE-2016-0167Apr 12, 2016MicrosoftEPSS 5.66%

  The kernel-mode driver in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 allows local users to gain privileges via a crafted application

• 7.8 High severity

  Microsoft Win32k Privilege Escalation Exploited

  CVE-2016-0165Apr 12, 2016MicrosoftEPSS 13.7%

  The kernel-mode driver in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 allows local users to gain privileges via a crafted application

• 7.8 High severity

  Microsoft Windows CSRSS Security Feature Bypass Exploited

  CVE-2016-0151Apr 12, 2016MicrosoftEPSS 62.8%

  The Client-Server Run-time Subsystem (CSRSS) in Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 mismanages process tokens, which allows local users to gain privileges via a crafted application, aka "Windows

• 7.8 High severity

  Microsoft Windows Secondary Logon Service Privilege Escalation Exploited

  CVE-2016-0099Mar 9, 2016MicrosoftEPSS 37%

  The Secondary Logon Service in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 does not properly process request handles, which allows lo