Microsoft Windows 8.1 vulnerabilities, page 4

1,914 vulnerabilities

Known vulnerabilities in Microsoft Windows 8.1, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

5.5CVE-2018-8127microsoftwindows_10+9
EPSS score
2.90%
An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka "Windows Kernel Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8141.
7CVE-2018-8333microsoftwindows_10+10
EPSS score
1.87%
An Elevation of Privilege vulnerability exists in Filter Manager when it improperly handles objects in memory, aka "Microsoft Filter Manager Elevation Of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
9.3CVE-2018-8420microsoftwindows_10+10
EPSS score
48.90%
A remote code execution vulnerability exists when the Microsoft XML Core Services MSXML parser processes user input, aka "MS XML Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
6.5CVE-2018-8398microsoftwindows_10+9
EPSS score
8.51%
An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka "Windows GDI Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8394, CVE-2018-8396.
7.8CVE-2018-8562microsoftwindows_10+10
EPSS score
1.35%
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 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
5.5CVE-2018-8565microsoftwindows_10+9
EPSS score
3.18%
An information disclosure vulnerability exists when the win32k component improperly provides kernel information, aka "Win32k Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
5.9CVE-2018-8444microsoftwindows_10+4
EPSS score
5.86%
An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 2.0 (SMBv2) server handles certain requests, aka "Windows SMB Information Disclosure Vulnerability." This affects Windows Server 2012, Windows 10, Windows 8.1, Windows RT 8.1, Windows Server 2012 R2.
9.3CVE-2018-8136microsoftwindows_10+9
EPSS score
23.01%
A remote code execution vulnerability exists in the way that Windows handles objects in memory, aka "Windows Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
3.1CVE-2018-8481microsoftwindows_10+10
EPSS score
5.00%
An information disclosure vulnerability exists when Windows Media Player improperly discloses file information, aka "Windows Media Player Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8482.
5.5CVE-2018-8407microsoftwindows_10+10
EPSS score
1.65%
An information disclosure vulnerability exists when "Kernel Remote Procedure Call Provider" driver improperly initializes objects in memory, aka "MSRPC Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
5.5CVE-2018-8549microsoftwindows_10+5
EPSS score
1.18%
A security feature bypass exists when Windows incorrectly validates kernel driver signatures, aka "Windows Security Feature Bypass Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2012, Windows Server 2019, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.
7.8CVE-2018-8471microsoftwindows_10+4
EPSS score
1.19%
An elevation of privilege vulnerability exists in the way that the Microsoft RemoteFX Virtual GPU miniport driver handles objects in memory, aka "Microsoft RemoteFX Virtual GPU miniport driver Elevation of Privilege Vulnerability." This affects Windows Server 2016, Windows 10, Windows 8.1, Windows 7, Windows Server 2019.
9.3CVE-2018-8393microsoftwindows_10+9
EPSS score
22.48%
A buffer overflow vulnerability exists in the Microsoft JET Database Engine that could allow remote code execution on an affected system, aka "Microsoft JET Database Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8392.
7.8CVE-2018-8641microsoftwindows_10+10
EPSS score
1.12%
An elevation of privilege vulnerability exists in Windows when the Windows kernel-mode driver 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 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8639.
7.8CVE-2018-8485microsoftwindows_10+7
EPSS score
1.19%
An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory, aka "DirectX Elevation of Privilege Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2012, Windows Server 2019, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8554, CVE-2018-8561.
6.5CVE-2018-8424microsoftwindows_10+9
EPSS score
12.98%
An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory, aka "Windows GDI Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8422.
5.4CVE-2018-8434microsoftwindows_10+9
EPSS score
3.49%
An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
8.4CVE-2018-8489microsoftwindows_10+10
EPSS score
4.40%
A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8490.
5.5CVE-2018-8477microsoftwindows_10+10
EPSS score
1.80%
An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka "Windows Kernel Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8621, CVE-2018-8622.
5.5CVE-2018-8442microsoftwindows_10+9
EPSS score
2.78%
An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory, aka "Windows Kernel Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-8336, CVE-2018-8419, CVE-2018-8443, CVE-2018-8445, CVE-2018-8446.