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

• 8.8 High severity

  Microsoft Windows Advanced Local Procedure Call (ALPC) Privilege Escalation Exploited

  CVE-2023-21674Jan 10, 2023MicrosoftEPSS 34.2%

  Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability

• 8.8 High severity

  Microsoft Windows Scripting Languages Remote Code Execution Exploited

  CVE-2022-41128Nov 9, 2022MicrosoftEPSS 24.6%

  Windows Scripting Languages Remote Code Execution Vulnerability

• 7.8 High severity

  Microsoft Windows CNG Key Isolation Service Privilege Escalation Exploited

  CVE-2022-41125Nov 9, 2022MicrosoftEPSS 3.05%

  Windows CNG Key Isolation Service Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Print Spooler Privilege Escalation Exploited

  CVE-2022-41073Nov 9, 2022MicrosoftEPSS 2.63%

  Windows Print Spooler Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows COM+ Event System Service Privilege Escalation Exploited

  CVE-2022-41033Oct 11, 2022MicrosoftEPSS 1.89%

  Windows COM+ Event System Service Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Print Spooler Privilege Escalation Exploited

  CVE-2022-38028Oct 11, 2022MicrosoftEPSS 14.9%

  Windows Print Spooler Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Exploited

  CVE-2022-37969Sep 13, 2022MicrosoftEPSS 28.5%

  Windows Common Log File System Driver Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Exploited

  CVE-2022-34713Aug 9, 2022MicrosoftEPSS 67.8%

  Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability

• 7.2 High severity

  Microsoft Windows Client Server Runtime Subsystem (CSRSS) Privilege Escalation Exploited

  CVE-2022-22047Jul 12, 2022MicrosoftEPSS 18.3%

  Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Exploited

  CVE-2022-30190Jun 1, 2022MicrosoftEPSS 98.5%

  A remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word. An attacker who successfully exploits this vulnerability can run arbitrary code with the privileges of the calling application. The

• 5.9 Medium severity

  Microsoft Windows LSA Spoofing Exploited

  CVE-2022-26925May 10, 2022MicrosoftEPSS 10.5%

  Windows LSA Spoofing Vulnerability

• 9.0 High severity

  Microsoft Active Directory Domain Services Privilege Escalation Exploited

  CVE-2022-26923May 10, 2022MicrosoftEPSS 83.5%

  Active Directory Domain Services Elevation of Privilege Vulnerability

• 4.4 Medium severity

  Microsoft Windows User Profile Service Privilege Escalation Exploited

  CVE-2022-26904Apr 15, 2022MicrosoftEPSS 16.9%

  Windows User Profile Service Elevation of Privilege Vulnerability

• 4.6 Medium severity

  Microsoft Windows CLFS Driver Privilege Escalation Exploited

  CVE-2022-24521Apr 15, 2022MicrosoftEPSS 7.13%

  Windows Common Log File System Driver Elevation of Privilege Vulnerability

• 7.2 High severity

  Microsoft Windows Print Spooler Privilege Escalation Exploited

  CVE-2022-22718Feb 9, 2022MicrosoftEPSS 18.5%

  Windows Print Spooler Elevation of Privilege Vulnerability

• 4.6 Medium severity

  Microsoft Windows Print Spooler Privilege Escalation Exploited

  CVE-2022-21999Feb 9, 2022MicrosoftEPSS 41%

  Windows Print Spooler Elevation of Privilege Vulnerability

• 6.9 Medium severity

  Microsoft Windows User Profile Service Privilege Escalation Exploited

  CVE-2022-21919Jan 11, 2022MicrosoftEPSS 2.57%

  Windows User Profile Service Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Privilege Escalation Exploited

  CVE-2021-43226Dec 15, 2021MicrosoftEPSS 3.28%

  Windows Common Log File System Driver Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Installer Privilege Escalation Exploited

  CVE-2021-41379Nov 10, 2021MicrosoftEPSS 19.5%

  Windows Installer Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Win32k Privilege Escalation Exploited

  CVE-2021-40449Oct 13, 2021MicrosoftEPSS 81.9%

  Win32k Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft MSHTML Remote Code Execution Exploited

  CVE-2021-40444Sep 15, 2021MicrosoftEPSS 97.8%

  Microsoft is investigating reports of a remote code execution vulnerability in MSHTML that affects Microsoft Windows. Microsoft is aware of targeted attacks that attempt to exploit this vulnerability by using specially-crafted Microsoft Office documents. An at

• 7.8 High severity

  Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Exploited

  CVE-2021-36955Sep 15, 2021MicrosoftEPSS 4.07%

  Windows Common Log File System Driver Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows User Profile Service Privilege Escalation Exploited

  CVE-2021-34484Aug 12, 2021MicrosoftEPSS 21.8%

  Windows User Profile Service Elevation of Privilege Vulnerability

• 8.8 High severity

  Microsoft Windows Scripting Engine Memory Corruption Exploited

  CVE-2021-34448Jul 16, 2021MicrosoftEPSS 40.1%

  Scripting Engine Memory Corruption Vulnerability

• 7.8 High severity

  Microsoft Windows Kernel Privilege Escalation Exploited

  CVE-2021-33771Jul 14, 2021MicrosoftEPSS 10.2%

  Windows Kernel Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Kernel Privilege Escalation Exploited

  CVE-2021-31979Jul 14, 2021MicrosoftEPSS 4.54%

  Windows Kernel Elevation of Privilege Vulnerability

• 8.8 High severity

  Microsoft Windows Print Spooler Remote Code Execution Exploited

  CVE-2021-34527Jul 2, 2021MicrosoftEPSS 99.8%

  A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could the

• 8.8 High severity

  Microsoft Windows MSHTML Platform Remote Code Execution Exploited

  CVE-2021-33742Jun 8, 2021MicrosoftEPSS 59.4%

  Windows MSHTML Platform Remote Code Execution Vulnerability

• 7.8 High severity

  Microsoft Windows NTFS Privilege Escalation Exploited

  CVE-2021-31956Jun 8, 2021MicrosoftEPSS 22.3%

  Windows NTFS Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Enhanced Cryptographic Provider Privilege Escalation Exploited

  CVE-2021-31201Jun 8, 2021MicrosoftEPSS 2.62%

  Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Enhanced Cryptographic Provider Privilege Escalation Exploited

  CVE-2021-31199Jun 8, 2021MicrosoftEPSS 2.98%

  Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability

• 7.8 High severity

  Microsoft Windows Print Spooler Remote Code Execution Exploited

  CVE-2021-1675Jun 8, 2021MicrosoftEPSS 85.3%

  Windows Print Spooler Remote Code Execution Vulnerability

• 7.8 High severity

  Microsoft Windows Kernel Privilege Escalation Exploited

  CVE-2020-17087Nov 11, 2020MicrosoftEPSS 5.43%

  Windows Kernel Local Elevation of Privilege Vulnerability

• 5.5 Medium severity

  Microsoft Windows Spoofing Exploited

  CVE-2020-1464Aug 17, 2020MicrosoftEPSS 38.9%

  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

• 7.8 High severity

  Microsoft Windows Kernel Privilege Escalation Exploited

  CVE-2020-0986Jun 9, 2020MicrosoftEPSS 16.4%

  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

  CVE-2020-1054May 21, 2020MicrosoftEPSS 53.9%

  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

  CVE-2020-1027Apr 15, 2020MicrosoftEPSS 4.72%

  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

  CVE-2020-1020Apr 15, 2020MicrosoftEPSS 65%

  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

  CVE-2020-0938Apr 15, 2020MicrosoftEPSS 69%

  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

  CVE-2020-0787Mar 12, 2020MicrosoftEPSS 42.5%

  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'.