Msrc Windows Server Version 1803 vulnerabilities

CVE-2018-8475 [HIGH] Windows Remote Code Execution Vulnerability Windows Remote Code Execution Vulnerability Description: A remote code execution vulnerability exists when Windows does not properly handle specially crafted image files. An attacker who successfully exploited the vulnerability could execute arbitrary code. To exploit the vulnerability, an attacker would have to convince a user to download an image file. The update addresses the vulnerability by properly handling image files. Mic

CVE-2018-8437 [MEDIUM] Windows Hyper-V Denial of Service Vulnerability Windows Hyper-V Denial of Service Vulnerability Description: A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. To exploit the vulnerability, an attacker who already has a privileged account on a guest o

CVE-2018-8443 [MEDIUM] Windows Kernel Information Disclosure Vulnerability Windows Kernel Information Disclosure Vulnerability Description: An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. An authenticated attacker could exploit this vulnerability by running a specially crafted application. The update addresses th

CVE-2018-8434 [MEDIUM] Windows Hyper-V Information Disclosure Vulnerability Windows Hyper-V Information Disclosure Vulnerability Description: 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. To exploit the vulnerability, an attacker on a guest operating system could run a specially crafted application that could cause the Hyper-V host operating system to disclos

CVE-2018-8468 [MEDIUM] Windows Elevation of Privilege Vulnerability Windows Elevation of Privilege Vulnerability Description: An elevation of privilege vulnerability exists in Windows that allows a sandbox escape. An attacker who successfully exploited the vulnerability could use the sandbox escape to elevate privileges on an affected system. This vulnerability by itself does not allow arbitrary code execution. However, the vulnerability could allow arbitrary code to run if an attacker uses it

CVE-2018-8419 [MEDIUM] Windows Kernel Information Disclosure Vulnerability Windows Kernel Information Disclosure Vulnerability Description: An information disclosure vulnerability exists when the Windows kernel fails to properly initialize a memory address. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted app

CVE-2018-8436 [MEDIUM] Windows Hyper-V Denial of Service Vulnerability Windows Hyper-V Denial of Service Vulnerability Description: A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. To exploit the vulnerability, an attacker who already has a privileged account on a guest o

CVE-2018-8335 [HIGH] Windows SMB Denial of Service Vulnerability Windows SMB Denial of Service Vulnerability Description: A denial of service vulnerability exists in the Microsoft Server Block Message (SMB) when an attacker sends specially crafted requests to the server. An attacker who exploited this vulnerability could cause the affected system to crash. To attempt to exploit this issue, an attacker would need to send specially crafted SMB requests to the target system. Note that the denial o

CVE-2018-8442 [MEDIUM] Windows Kernel Information Disclosure Vulnerability Windows Kernel Information Disclosure Vulnerability Description: An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. An authenticated attacker could exploit this vulnerability by running a specially crafted application. The update addresses th

CVE-2018-8438 [MEDIUM] Windows Hyper-V Denial of Service Vulnerability Windows Hyper-V Denial of Service Vulnerability Description: A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. To exploit the vulnerability, an attacker who already has a privileged account on a guest o

CVE-2018-8449 [LOW] Device Guard Security Feature Bypass Vulnerability Device Guard Security Feature Bypass Vulnerability Description: A security feature bypass exists when Device Guard incorrectly validates an untrusted file. An attacker who successfully exploited this vulnerability could make an unsigned file appear to be signed. Because Device Guard relies on the signature to determine the file is non-malicious, Device Guard could then allow a malicious file to execute. In an attack scenario

CVE-2018-8433 [MEDIUM] Microsoft Graphics Component Information Disclosure Vulnerability Microsoft Graphics Component Information Disclosure Vulnerability Description: An information disclosure vulnerability exists when the Windows Graphics component improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. An authenticated attacker could exploit this vulnerability by running a specially craf

CVE-2018-8424 [MEDIUM] Windows GDI Information Disclosure Vulnerability Windows GDI Information Disclosure Vulnerability Description: An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a special

CVE-2018-8445 [MEDIUM] Windows Kernel Information Disclosure Vulnerability Windows Kernel Information Disclosure Vulnerability Description: An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. An authenticated attacker could exploit this vulnerability by running a specially crafted application. The update addresses th

CVE-2018-8435 [MEDIUM] Windows Hyper-V Security Feature Bypass Vulnerability Windows Hyper-V Security Feature Bypass Vulnerability Description: A security feature bypass vulnerability exists when Windows Hyper-V BIOS loader fails to provide a high-entropy source. To exploit this vulnerability, an attacker would need to reboot a guest virtual machine numerous times until the vulnerability is triggered. The security update addresses the vulnerability by correcting security feature behavior to ens

CVE-2018-8446 [MEDIUM] Windows Kernel Information Disclosure Vulnerability Windows Kernel Information Disclosure Vulnerability Description: An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted application.

CVE-2018-8271 [MEDIUM] Windows Information Disclosure Vulnerability Windows Information Disclosure Vulnerability Description: An information disclosure vulnerability exists in Windows when the Windows bowser.sys kernel-mode driver fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could potentially disclose contents of System memory. To exploit this vulnerability, an attacker would have to log on to the system first and then run a specially craf

CVE-2018-8405 [HIGH] DirectX Graphics Kernel Elevation of Privilege Vulnerability DirectX Graphics Kernel Elevation of Privilege Vulnerability Description: An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context. To exploit the vulnerability, an attacker would first have to log on to the system, and then run a special

CVE-2018-8399 [HIGH] Win32k Elevation of Privilege Vulnerability Win32k Elevation of Privilege Vulnerability Description: An elevation of privilege vulnerability exists in Windows when the Win32k component 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 install programs; view, change, or delete data; or create new accounts with full user rights. To exploit this vulnerability, an

CVE-2018-8339 [HIGH] Windows Installer Elevation of Privilege Vulnerability Windows Installer Elevation of Privilege Vulnerability Description: An elevation of privilege vulnerability exists in the Windows Installer when the Windows Installer fails to properly sanitize input leading to an insecure library loading behavior. A locally authenticated attacker could run arbitrary code with elevated system privileges. An attacker could then install programs; view, change, or delete data; or create ne