Microsoft Windows 8.1 vulnerabilities

1,914 vulnerabilities

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

7CVE-2018-1008microsoftwindows_10+9
EPSS score
1.11%
An elevation of privilege vulnerability exists in Windows Adobe Type Manager Font Driver (ATMFD.dll) when it fails to properly handle objects in memory, aka "OpenType Font Driver Elevation of Privilege 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.
9.3CVE-2018-1015microsoftwindows_10+9
EPSS score
23.26%
A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted embedded fonts, aka "Microsoft Graphics 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-2018-1010, CVE-2018-1012, CVE-2018-1013, CVE-2018-1016.
9.3CVE-2018-1012microsoftwindows_10+9
EPSS score
23.26%
A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted embedded fonts, aka "Microsoft Graphics 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-2018-1010, CVE-2018-1013, CVE-2018-1015, CVE-2018-1016.
9.3CVE-2018-1003microsoftwindows_10+8
EPSS score
22.81%
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.
5.4CVE-2018-1040microsoftwindows_10+9
EPSS score
7.32%
A denial of service vulnerability exists in the way that the Windows Code Integrity Module performs hashing, aka "Windows Code Integrity Module Denial of Service 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.
9.3CVE-2018-1013microsoftwindows_10+9
EPSS score
23.26%
A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted embedded fonts, aka "Microsoft Graphics 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-2018-1010, CVE-2018-1012, CVE-2018-1015, CVE-2018-1016.
7CVE-2018-1036microsoftwindows_10+9
EPSS score
1.15%
An elevation of privilege vulnerability exists when NTFS improperly checks access, aka "NTFS Elevation of Privilege 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.
9.3CVE-2018-1004microsoftinternet_explorer+10
EPSS score
18.73%
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, Internet Explorer 9, Windows RT 8.1, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10.
7.8CVE-2018-1009microsoftwindows_10+6
EPSS score
1.23%
An elevation of privilege vulnerability exists when Windows improperly handles objects in memory and incorrectly maps kernel memory, aka "Microsoft DirectX Graphics Kernel Subsystem Elevation of Privilege Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2012, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers.
7.8CVE-2018-0752microsoft corporationwindows kernel+4
EPSS score
2.77%
The Windows Kernel API in Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709 allows an elevation of privilege vulnerability due to the way the Kernel API enforces permissions, aka "Windows Elevation of Privilege Vulnerability". This CVE ID is unique from CVE-2018-0751.
8.8CVE-2018-0824microsoftwindows_10_1507+12KEV
EPSS score
73.04%
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, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
5.6CVE-2018-0888microsoft corporationhyper-v network switchhyper-v network switch+7
EPSS score
1.43%
The Microsoft Hyper-V Network Switch in 64-bit versions of Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and 1709, Windows Server 2016 and Windows Server, version 1709 allows an information disclosure vulnerability due to how guest operating system input is validated, aka "Hyper-V Information Disclosure Vulnerability".
4.7CVE-2018-0898microsoft corporationwindows kernel+8
EPSS score
2.12%
The Windows kernel in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and 1709, Windows Server 2016 and Windows Server, version 1709 allows an information disclosure vulnerability due to the way memory addresses are handled, aka "Windows Kernel Information Disclosure Vulnerability". This CVE is unique from CVE-2018-0811, CVE-2018-0813, CVE-2018-0814, CVE-2018-0894, CVE-2018-0895, CVE-2018-0896, CVE-2018-0897, CVE-2018-0899, CVE-2018-0900, CVE-2018-0901 and CVE-2018-0926.
4.7CVE-2018-0895microsoft corporationwindows kernel+8
EPSS score
2.76%
The Windows kernel in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and 1709, Windows Server 2016 and Windows Server, version 1709 allows an information disclosure vulnerability due to the way memory addresses are handled, aka "Windows Kernel Information Disclosure Vulnerability". This CVE is unique from CVE-2018-0811, CVE-2018-0813, CVE-2018-0814, CVE-2018-0894, CVE-2018-0896, CVE-2018-0897, CVE-2018-0898, CVE-2018-0899, CVE-2018-0900, CVE-2018-0901 and CVE-2018-0926.
4.7CVE-2018-0896microsoft corporationwindows kernel+8
EPSS score
2.09%
The Windows kernel in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and 1709, Windows Server 2016 and Windows Server, version 1709 allows an information disclosure vulnerability due to the way memory addresses are handled, aka "Windows Kernel Information Disclosure Vulnerability". This CVE is unique from CVE-2018-0811, CVE-2018-0813, CVE-2018-0814, CVE-2018-0894, CVE-2018-0895, CVE-2018-0897, CVE-2018-0898, CVE-2018-0899, CVE-2018-0900, CVE-2018-0901 and CVE-2018-0926.
4.7CVE-2018-0899microsoft corporationwindows kernel+8
EPSS score
2.12%
The Windows kernel in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and 1709, Windows Server 2016 and Windows Server, version 1709 allows an information disclosure vulnerability due to the way memory addresses are handled, aka "Windows Kernel Information Disclosure Vulnerability". This CVE is unique from CVE-2018-0811, CVE-2018-0813, CVE-2018-0814, CVE-2018-0894, CVE-2018-0895, CVE-2018-0896, CVE-2018-0897, CVE-2018-0898, CVE-2018-0900, CVE-2018-0901 and CVE-2018-0926.
5.3CVE-2018-0957microsoftwindows_10+6
EPSS score
1.58%
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 "Hyper-V Information Disclosure Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-0964.
5.5CVE-2018-0972microsoftwindows_10+9
EPSS score
3.44%
An information disclosure vulnerability exists in the Windows kernel that could allow an attacker to retrieve information that could lead to a Kernel Address Space Layout Randomization (ASLR) bypass, 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-2018-0887, CVE-2018-0960, CVE-2018-0968, CVE-2018-0969, CVE-2018-0970, CVE-2018-0971, CVE-2018-0973, CVE-2018-0974, CVE-2018-0975.
5.5CVE-2018-0813microsoft corporationwindows kernel+8
EPSS score
1.81%
The Windows kernel in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and 1709, Windows Server 2016 and Windows Server, version 1709 allows an information disclosure vulnerability due to the way objects are initialized in memory, aka "Windows Kernel Information Disclosure Vulnerability". This CVE is unique from CVE-2018-0811, CVE-2018-0814, CVE-2018-0894, CVE-2018-0895, CVE-2018-0896, CVE-2018-0897, CVE-2018-0898, CVE-2018-0899, CVE-2018-0900, and CVE-2018-0901 and CVE-2018-0926.
7.8CVE-2018-0749microsoft corporationsmb server+6
EPSS score
3.21%
The Microsoft Server Message Block (SMB) Server in Windows 7 SP1, Windows 8.1 and RT 8.1, Windows Server 2008 SP2 and R2 SP1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709 allows an elevation of privilege vulnerability due to the way SMB Server handles specially crafted files, aka "Windows Elevation of Privilege Vulnerability".