📦 Windows 8.1

by Microsoft

🔍 What is Windows 8.1?

Description coming soon...

🛡️ Security Overview

Click on a severity to filter vulnerabilities

⚠️ Known Vulnerabilities

CVE-2022-35744

CRITICAL CVSS 9.8 May 31, 2023

CVE-2022-35744 is a critical remote code execution vulnerability in Windows Point-to-Point Protocol (PPP) that allows unauthenticated attackers to execute arbitrary code on affected systems. This affe...

CVE-2022-29130

CRITICAL CVSS 9.8 May 10, 2022

This critical vulnerability in Windows LDAP allows remote attackers to execute arbitrary code on affected systems without authentication. It affects Windows servers and workstations running vulnerable...

CVE-2022-22012

CRITICAL CVSS 9.8 May 10, 2022

This is a critical remote code execution vulnerability in Windows LDAP services that allows unauthenticated attackers to execute arbitrary code on vulnerable systems. It affects Windows servers runnin...

CVE-2022-26809

CRITICAL CVSS 9.8 Apr 15, 2022

CVE-2022-26809 is a critical Remote Procedure Call Runtime vulnerability in Windows that allows unauthenticated attackers to execute arbitrary code remotely. Attackers can exploit this vulnerability b...

CVE-2022-24491

CRITICAL CVSS 9.8 Apr 15, 2022

This is a critical remote code execution vulnerability in Windows Network File System (NFS) that allows unauthenticated attackers to execute arbitrary code on vulnerable systems. It affects Windows se...

CVE-2022-24497

CRITICAL CVSS 9.8 Apr 15, 2022

This is a critical remote code execution vulnerability in Windows Network File System (NFS) that allows unauthenticated attackers to execute arbitrary code on vulnerable systems. It affects Windows se...

CVE-2022-21901

CRITICAL CVSS 9.0 Jan 11, 2022

This vulnerability allows an authenticated attacker on a guest virtual machine to execute arbitrary code with elevated privileges on the Hyper-V host. It affects Windows systems running Hyper-V virtua...

CVE-2021-43215

CRITICAL CVSS 9.8 Dec 15, 2021

CVE-2021-43215 is a critical memory corruption vulnerability in Microsoft's iSNS Server that allows remote attackers to execute arbitrary code on affected systems. This vulnerability affects Windows S...

CVE-2021-26424

CRITICAL CVSS 9.9 Aug 12, 2021

This vulnerability allows remote attackers to execute arbitrary code on affected Windows systems by sending specially crafted TCP/IP packets. It affects Windows operating systems with vulnerable TCP/I...

CVE-2021-26432

CRITICAL CVSS 9.8 Aug 12, 2021

CVE-2021-26432 is a remote code execution vulnerability in the Windows Services for NFS ONCRPC XDR Driver. An attacker can exploit this by sending specially crafted requests to an affected system, pot...

CVE-2021-31962

CRITICAL CVSS 9.4 Jun 8, 2021

This vulnerability allows attackers to bypass Kerberos AppContainer security features in Windows, potentially enabling unauthorized access to enterprise authentication capabilities. It affects Windows...

CVE-2021-28476

CRITICAL CVSS 9.9 May 11, 2021

CVE-2021-28476 is a critical remote code execution vulnerability in Windows Hyper-V's vmswitch.sys driver. It allows attackers to execute arbitrary code with SYSTEM privileges on Hyper-V host systems ...

CVE-2021-24094

CRITICAL CVSS 9.8 Feb 25, 2021

This is a critical remote code execution vulnerability in the Windows TCP/IP stack that allows an unauthenticated attacker to execute arbitrary code with SYSTEM privileges by sending specially crafted...

CVE-2021-24074

CRITICAL CVSS 9.8 Feb 25, 2021

This vulnerability allows remote attackers to execute arbitrary code on affected Windows systems by sending specially crafted TCP/IP packets. It affects Windows operating systems with TCP/IP networkin...

CVE-2021-24077

CRITICAL CVSS 9.8 Feb 25, 2021

CVE-2021-24077 is a critical remote code execution vulnerability in the Windows Fax Service that allows unauthenticated attackers to execute arbitrary code with SYSTEM privileges on affected systems. ...

CVE-2020-1467

CRITICAL CVSS 10.0 Aug 17, 2020

CVE-2020-1467 is a critical Windows privilege escalation vulnerability that allows authenticated attackers to overwrite system files by exploiting improper hard link handling. This enables attackers t...

CVE-2019-1212

CRITICAL CVSS 9.8 Aug 14, 2019

A memory corruption vulnerability in Windows Server DHCP service allows remote unauthenticated attackers to send specially crafted packets that could crash the DHCP server service. This affects Window...

CVE-2019-1181

CRITICAL CVSS 9.8 Aug 14, 2019

CVE-2019-1181 is a critical pre-authentication remote code execution vulnerability in Microsoft Remote Desktop Services (formerly Terminal Services). An unauthenticated attacker can exploit it by send...

CVE-2019-0736

CRITICAL CVSS 9.8 Aug 14, 2019

This is a critical memory corruption vulnerability in Windows DHCP client that allows remote code execution. An attacker can exploit it by sending specially crafted DHCP responses to vulnerable Window...

CVE-2022-35755

HIGH CVSS 7.3 May 31, 2023

This vulnerability allows attackers to gain SYSTEM-level privileges on Windows systems by exploiting the Print Spooler service. It affects Windows servers and workstations where the Print Spooler serv...

CVE-2022-35743

HIGH CVSS 7.8 May 31, 2023

This vulnerability allows remote code execution through the Microsoft Windows Support Diagnostic Tool (MSDT) when processing specially crafted files. Attackers can exploit this by tricking users into ...

CVE-2022-35746

HIGH CVSS 7.8 May 31, 2023

CVE-2022-35746 is an elevation of privilege vulnerability in Windows Digital Media Receiver that allows authenticated attackers to execute arbitrary code with SYSTEM privileges. This affects Windows s...

CVE-2022-35750

HIGH CVSS 7.8 May 31, 2023

CVE-2022-35750 is a Win32k elevation of privilege vulnerability in Windows that allows an authenticated attacker to gain SYSTEM-level privileges on a compromised system. This affects Windows operating...

CVE-2022-35752

HIGH CVSS 8.1 May 31, 2023

This vulnerability allows remote attackers to execute arbitrary code on Windows systems by exploiting a flaw in the Secure Socket Tunneling Protocol (SSTP) service. Attackers could gain SYSTEM-level p...

CVE-2023-21712

HIGH CVSS 8.1 Apr 27, 2023

This vulnerability allows remote attackers to execute arbitrary code on Windows systems by exploiting a flaw in the Point-to-Point Tunneling Protocol (PPTP) implementation. Attackers could gain SYSTEM...

CVE-2022-30202

HIGH CVSS 7.0 Jul 12, 2022

This vulnerability in Windows Advanced Local Procedure Call (ALPC) allows an authenticated attacker to execute code with SYSTEM privileges by exploiting improper object handling. It affects Windows sy...

CVE-2022-30206

HIGH CVSS 7.8 Jul 12, 2022

This vulnerability allows attackers to gain SYSTEM-level privileges on Windows systems by exploiting the Print Spooler service. It affects Windows servers and workstations where the Print Spooler serv...

CVE-2022-30209

HIGH CVSS 7.4 Jul 12, 2022

CVE-2022-30209 is an elevation of privilege vulnerability in Windows IIS Server that allows authenticated attackers to execute arbitrary code with SYSTEM privileges. This affects organizations running...

CVE-2022-30220

HIGH CVSS 7.8 Jul 12, 2022

CVE-2022-30220 is an elevation of privilege vulnerability in the Windows Common Log File System (CLFS) driver. It allows authenticated attackers to gain SYSTEM-level privileges on affected Windows sys...

CVE-2022-30224

HIGH CVSS 7.0 Jul 12, 2022

This vulnerability allows an authenticated attacker to exploit a flaw in Windows Advanced Local Procedure Call (ALPC) to elevate privileges from a lower-privileged account to SYSTEM level. It affects ...

CVE-2022-30226

HIGH CVSS 7.1 Jul 12, 2022

This vulnerability allows attackers to gain SYSTEM-level privileges on Windows systems by exploiting the Print Spooler service. It affects Windows servers and workstations where the Print Spooler serv...

CVE-2022-22043

HIGH CVSS 7.8 Jul 12, 2022

This vulnerability in the Windows Fast FAT File System Driver allows an authenticated attacker to execute arbitrary code with SYSTEM privileges. It affects Windows systems with the vulnerable driver c...

CVE-2022-22047

HIGH CVSS 7.8 Jul 12, 2022

This vulnerability allows an attacker to gain SYSTEM-level privileges on Windows systems by exploiting a flaw in the Client Server Runtime Subsystem (CSRSS). It affects Windows 10, 11, and Server 2019...

CVE-2022-22049

HIGH CVSS 7.8 Jul 12, 2022

This vulnerability allows an authenticated attacker to execute arbitrary code with SYSTEM privileges on affected Windows systems by exploiting a flaw in the Client Server Run-time Subsystem (CSRSS). I...

CVE-2022-22024

HIGH CVSS 7.8 Jul 12, 2022

CVE-2022-22024 is a remote code execution vulnerability in the Windows Fax Service that allows an attacker to execute arbitrary code with SYSTEM privileges on affected systems. This affects Windows se...

CVE-2022-22026

HIGH CVSS 8.8 Jul 12, 2022

CVE-2022-22026 is a privilege escalation vulnerability in Windows Client Server Run-time Subsystem (CSRSS) that allows authenticated attackers to gain SYSTEM-level privileges on affected systems. This...

CVE-2022-22034

HIGH CVSS 7.8 Jul 12, 2022

CVE-2022-22034 is an elevation of privilege vulnerability in the Windows Graphics Component that allows an authenticated attacker to execute arbitrary code with SYSTEM privileges. This affects Windows...

CVE-2022-22037

HIGH CVSS 7.5 Jul 12, 2022

This vulnerability allows an authenticated attacker to exploit a flaw in Windows Advanced Local Procedure Call (ALPC) to elevate privileges from a lower-privileged account to SYSTEM level. It affects ...

CVE-2022-22022

HIGH CVSS 7.1 Jul 12, 2022

CVE-2022-22022 is an elevation of privilege vulnerability in the Windows Print Spooler service that allows authenticated attackers to execute code with SYSTEM privileges. This affects Windows systems ...

CVE-2022-30151

HIGH CVSS 7.0 Jun 15, 2022

This vulnerability in the Windows Ancillary Function Driver for WinSock allows an authenticated attacker to execute arbitrary code with SYSTEM privileges. It affects Windows systems where an attacker ...

CVE-2022-30153

HIGH CVSS 8.8 Jun 15, 2022

This vulnerability allows remote attackers to execute arbitrary code on Windows systems running vulnerable LDAP implementations. It affects Windows servers and clients with LDAP services enabled, pote...

CVE-2022-30160

HIGH CVSS 7.8 Jun 15, 2022

This vulnerability allows an authenticated attacker to exploit the Windows Advanced Local Procedure Call (ALPC) mechanism to elevate privileges from a lower-privileged account to SYSTEM level. It affe...

CVE-2022-30163

HIGH CVSS 8.5 Jun 15, 2022

This vulnerability allows an authenticated attacker on a guest virtual machine to execute arbitrary code on the Hyper-V host. It affects Windows systems running Hyper-V with virtual machines that have...

CVE-2022-30135

HIGH CVSS 7.8 Jun 15, 2022

CVE-2022-30135 is an elevation of privilege vulnerability in Windows Media Center that allows authenticated attackers to execute arbitrary code with SYSTEM privileges. This affects Windows systems wit...

CVE-2022-30141

HIGH CVSS 8.1 Jun 15, 2022

This vulnerability allows remote attackers to execute arbitrary code on Windows systems running LDAP services. Attackers can exploit this without authentication by sending specially crafted requests t...

CVE-2022-30143

HIGH CVSS 7.5 Jun 15, 2022

This vulnerability allows remote attackers to execute arbitrary code on Windows systems running LDAP services. Attackers can exploit this by sending specially crafted requests to vulnerable LDAP serve...

CVE-2022-30146

HIGH CVSS 7.5 Jun 15, 2022

This vulnerability allows remote code execution on Windows systems running LDAP services. Attackers can exploit it by sending specially crafted requests to a vulnerable LDAP server, potentially gainin...

CVE-2022-30149

HIGH CVSS 7.5 Jun 15, 2022

This vulnerability allows remote attackers to execute arbitrary code on Windows systems running LDAP services. Attackers can exploit this by sending specially crafted requests to vulnerable LDAP serve...

CVE-2022-30190

HIGH CVSS 7.8 Jun 1, 2022

This vulnerability allows remote code execution when Microsoft Support Diagnostic Tool (MSDT) is invoked via URL protocol from applications like Microsoft Word. Attackers can execute arbitrary code wi...

CVE-2022-30138

HIGH CVSS 7.8 May 18, 2022

This vulnerability allows an authenticated attacker to gain SYSTEM-level privileges on Windows systems by exploiting the Print Spooler service. It affects Windows servers and workstations where the Pr...

CVE-2022-29125

HIGH CVSS 7.0 May 10, 2022

This vulnerability allows an attacker to elevate privileges on Windows systems by exploiting a flaw in Windows Push Notifications Apps. Attackers could gain SYSTEM-level access by running specially cr...

CVE-2022-29128

HIGH CVSS 8.8 May 10, 2022

This vulnerability allows remote attackers to execute arbitrary code on Windows systems running LDAP services by sending specially crafted requests. It affects Windows servers with LDAP enabled, poten...

CVE-2022-29132

HIGH CVSS 7.8 May 10, 2022

This vulnerability allows attackers to gain SYSTEM-level privileges on Windows systems by exploiting the Print Spooler service. It affects Windows servers and workstations where the Print Spooler serv...

CVE-2022-29141

HIGH CVSS 8.8 May 10, 2022

This vulnerability allows remote attackers to execute arbitrary code on Windows systems running LDAP services. Attackers can exploit this without authentication by sending specially crafted requests t...

CVE-2022-29103

HIGH CVSS 7.8 May 10, 2022

This vulnerability allows an authenticated attacker to execute arbitrary code with SYSTEM privileges on Windows systems. It affects Windows Remote Access Connection Manager service, enabling local pri...

CVE-2022-29105

HIGH CVSS 7.8 May 10, 2022

This vulnerability in Microsoft Windows Media Foundation allows remote attackers to execute arbitrary code on affected systems by tricking users into opening specially crafted media files. It affects ...

CVE-2022-29115

HIGH CVSS 7.8 May 10, 2022

CVE-2022-29115 is a remote code execution vulnerability in the Windows Fax Service that allows authenticated attackers to execute arbitrary code with SYSTEM privileges on affected systems. This affect...

CVE-2022-26925

HIGH CVSS 8.1 May 10, 2022

CVE-2022-26925 is a Windows Local Security Authority (LSA) spoofing vulnerability that allows an authenticated attacker to impersonate any user on a domain controller, potentially gaining elevated pri...

CVE-2022-26931

HIGH CVSS 7.5 May 10, 2022

CVE-2022-26931 is a Windows Kerberos elevation of privilege vulnerability that allows authenticated attackers to gain domain administrator privileges by exploiting improper validation of Kerberos tick...

CVE-2020-16922

MEDIUM CVSS 5.3 Oct 16, 2020

This Windows vulnerability allows attackers to bypass digital signature validation, enabling them to load malicious files that appear legitimate. It affects Windows systems where file signature checki...

CVE-2020-16897

MEDIUM CVSS 5.5 Oct 16, 2020

CVE-2020-16897 is an information disclosure vulnerability in Windows NetBIOS over TCP (NetBT) that allows attackers to read sensitive memory contents. Attackers could use leaked information to facilit...

CVE-2020-1598

MEDIUM CVSS 6.1 Sep 11, 2020

This is a Windows privilege escalation vulnerability in the Universal Plug and Play (UPnP) service. An attacker with local access can exploit it to execute arbitrary code with SYSTEM privileges, poten...

CVE-2020-1152

MEDIUM CVSS 5.8 Sep 11, 2020

This Windows privilege escalation vulnerability allows attackers who can run code on a system to gain elevated privileges by exploiting improper handling in the Win32k.sys kernel driver. It affects Wi...

CVE-2020-1250

MEDIUM CVSS 5.5 Sep 11, 2020

CVE-2020-1250 is a Windows kernel information disclosure vulnerability in the win32k component. An attacker with local access can run a specially crafted application to leak kernel memory information,...

CVE-2020-1033

MEDIUM CVSS 4.0 Sep 11, 2020

CVE-2020-1033 is a Windows kernel information disclosure vulnerability that allows authenticated attackers to read kernel memory contents. This could leak sensitive information like passwords, encrypt...

CVE-2020-1038

MEDIUM CVSS 5.5 Sep 11, 2020

CVE-2020-1038 is a denial of service vulnerability in Windows Routing Utilities where improper memory handling allows an authenticated attacker to crash the system. It affects Windows systems with vul...

CVE-2020-1091

MEDIUM CVSS 6.5 Sep 11, 2020

This Windows GDI vulnerability allows attackers to read sensitive memory contents, potentially exposing credentials or system information. It affects Windows users who open malicious documents or visi...

CVE-2020-0941

MEDIUM CVSS 5.5 Sep 11, 2020

CVE-2020-0941 is an information disclosure vulnerability in the Windows win32k component that leaks kernel information, potentially aiding attackers in further system compromise. It affects Windows us...

CVE-2020-1379

MEDIUM CVSS 5.5 Aug 17, 2020

CVE-2020-1379 is a memory corruption vulnerability in Windows Media Foundation that allows attackers to execute arbitrary code with user privileges. It affects Windows systems and can be exploited thr...

CVE-2019-1125

MEDIUM CVSS 5.6 Sep 3, 2019

CVE-2019-1125 is a Spectre Variant 1 speculative execution side-channel vulnerability in AMD, ARM, and Intel CPUs that allows attackers to read privileged memory across trust boundaries. It affects sy...

CVE-2019-1187

MEDIUM CVSS 5.5 Aug 14, 2019

This is a denial of service vulnerability in Microsoft's XmlLite runtime library that improperly parses XML input. An attacker can crash XML applications by sending specially crafted XML requests. Any...

CVE-2019-1153

MEDIUM CVSS 5.5 Aug 14, 2019

This CVE-2019-1153 is an information disclosure vulnerability in Microsoft Windows Graphics Component that allows an attacker to read memory contents they shouldn't access. It affects Windows systems ...

CVE-2019-1143

MEDIUM CVSS 5.5 Aug 14, 2019

This Windows GDI vulnerability allows attackers to read sensitive memory contents, potentially exposing system information that could enable further attacks. It affects Windows users who open maliciou...

CVE-2019-1148

MEDIUM CVSS 5.5 Aug 14, 2019

CVE-2019-1148 is an information disclosure vulnerability in Microsoft Windows Graphics Component that allows authenticated attackers to read memory contents they shouldn't access. This affects Windows...

CVE-2019-0715

MEDIUM CVSS 5.8 Aug 14, 2019

This vulnerability allows a privileged attacker on a Hyper-V guest virtual machine to crash the host server by sending specially crafted network packets. It affects Microsoft Hyper-V hosts running Win...