The remote Windows host is missing security update 4549949.
It is, therefore, affected by multiple vulnerabilities :

  - An elevation of privilege vulnerability exists when the     Windows Update Stack 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.  (CVE-2020-0985, CVE-2020-0996)

  - An elevation of privilege vulnerability exists when a     Windows scheduled task improperly handles file     redirections. An attacker who successfully exploited     this vulnerability could delete a targeted file they     would not have permissions to.  (CVE-2020-0936)

  - 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 users     system.  (CVE-2020-0821, CVE-2020-1007)

  - An elevation of privilege vulnerability exists when the     Windows WpcDesktopMonSvc improperly manages memory.
    (CVE-2020-0934)

  - A remote code execution vulnerability exists in the way     that the scripting engine handles objects in memory in     Internet Explorer. The vulnerability could corrupt     memory in such a way that an attacker could execute     arbitrary code in the context of the current user. An     attacker who successfully exploited the vulnerability     could gain the same user rights as the current user.
    (CVE-2020-0968)

  - An information disclosure vulnerability exists when the     win32k component improperly provides kernel information.
    An attacker who successfully exploited the vulnerability     could obtain information to further compromise the users     system.  (CVE-2020-0699, CVE-2020-0962)

  - A remote code execution vulnerability exists when the     Windows Jet Database Engine improperly handles objects     in memory. An attacker who successfully exploited this     vulnerability could execute arbitrary code on a victim     system. An attacker could exploit this vulnerability by     enticing a victim to open a specially crafted file. The     update addresses the vulnerability by correcting the way     the Windows Jet Database Engine handles objects in     memory. (CVE-2020-0889, CVE-2020-0953, CVE-2020-0959,     CVE-2020-0960, CVE-2020-0988, CVE-2020-0992,     CVE-2020-0994, CVE-2020-0995, CVE-2020-0999,     CVE-2020-1008)

  - An elevation of privilege vulnerability exists when     Connected User Experiences and Telemetry Service     improperly handles file operations. An attacker who     successfully exploited this vulnerability could     overwrite files in arbitrary locations with elevated     permissions.  (CVE-2020-0942)

  - A remoted code execution vulnerability exists in the way     that Microsoft Windows Codecs Library handles objects in     memory. An attacker who successfully exploited the     vulnerability could execute arbitrary code. Exploitation     of the vulnerability requires that a program process a     specially crafted image file. The update addresses the     vulnerability by correcting how Microsoft Windows Codecs     Library handles objects in memory. (CVE-2020-0965)

  - An elevation of privilege vulnerability exists when     Connected User Experiences and Telemetry Service     improperly handles file operations. An attacker who     successfully exploited this vulnerability could run     processes in an elevated context. An attacker could     exploit this vulnerability by running a specially     crafted application on the victim system. The security     update addresses the vulnerability by correcting how the     Connected User Experiences and Telemetry Service handles     file operations. (CVE-2020-0944, CVE-2020-1029)

  - An information disclosure vulnerability exists when     Media Foundation improperly handles objects in memory.
    An attacker who successfully exploited this     vulnerability could obtain information to further     compromise the users system.  (CVE-2020-0937,     CVE-2020-0945, CVE-2020-0946)

  - An elevation of privilege vulnerability exists in the     way that the Microsoft Store Install Service handles     file operations in protected locations. An attacker who     successfully exploited the vulnerability could execute     code with elevated permissions.  (CVE-2020-1009)

  - 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 successfully     exploited the vulnerability could execute code remotely.
    For systems running Windows 10, an attacker who     successfully exploited the vulnerability could execute     code in an AppContainer sandbox context with limited     privileges and capabilities. An attacker could then     install programs; view, change, or delete data; or     create new accounts with full user rights. There are     multiple ways an attacker could exploit the     vulnerability, such as convincing a user to open a     specially crafted document or viewing it in the Windows     Preview pane. The update addresses the vulnerability by     correcting how the Windows Adobe Type Manager Library     handles Type1 fonts. (CVE-2020-0938, CVE-2020-1020)

  - 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.  (CVE-2020-0910)

  - An elevation of privilege vulnerability exists in the     way that the Windows Kernel handles objects in memory.
    An attacker who successfully exploited the vulnerability     could execute code with elevated permissions.
    (CVE-2020-1027)

  - An elevation of privilege vulnerability exists when the     Windows Work Folder Service improperly handles file     operations. An attacker who successfully exploited this     vulnerability could run processes in an elevated     context. An attacker could exploit this vulnerability by     running a specially crafted application on the victim     system. The update addresses the vulnerability by     correcting the way the Windows Work Folder Service     handles file operations. (CVE-2020-1094)

  - An information disclosure vulnerability exists when     certain central processing units (CPU) speculatively     access memory. An attacker who successfully exploited     the vulnerability could read privileged data across     trust boundaries.  (CVE-2020-0955)

  - A memory corruption vulnerability exists when Windows     Media Foundation improperly handles objects in memory.
    An attacker who successfully exploited the vulnerability     could install programs; view, change, or delete data; or     create new accounts with full user rights. There are     multiple ways an attacker could exploit the     vulnerability, such as by convincing a user to open a     specially crafted document, or by convincing a user to     visit a malicious webpage. The security update addresses     the vulnerability by correcting how Windows Media     Foundation handles objects in memory. (CVE-2020-0948,     CVE-2020-0949, CVE-2020-0950)

  - A remote code execution vulnerability exists when the     Windows font library improperly handles specially     crafted embedded fonts. An attacker who successfully     exploited the vulnerability could take control of the     affected system. An attacker could then install     programs; view, change, or delete data; or create new     accounts with full user rights.  (CVE-2020-0687)

  - An elevation of privilege vulnerability exists in the     Microsoft Windows Update Client when it does not     properly handle privileges. An attacker who successfully     exploited this vulnerability could run processes in an     elevated context. An attacker could then install     programs; view, change or delete data.  (CVE-2020-1014)

  - A denial of service vulnerability exists when Windows     improperly handles objects in memory. An attacker who     successfully exploited the vulnerability could cause a     target system to stop responding.  (CVE-2020-0794)

  - A remote code execution vulnerability exists in the way     that Microsoft Graphics Components handle objects in     memory. An attacker who successfully exploited the     vulnerability could execute arbitrary code on a target     system.  (CVE-2020-0907)

  - An elevation of privilege vulnerability exists when the     Windows Graphics Component improperly handles objects in     memory. An attacker who successfully exploited this     vulnerability could run processes in an elevated     context.  (CVE-2020-1004)

  - An elevation of privilege vulnerability exists in the     way that the User-Mode Power Service (UMPS) handles     objects in memory. An attacker who successfully     exploited the vulnerability could execute code with     elevated permissions.  (CVE-2020-1015)

  - An elevation of privilege vulnerability exists when the     Windows Delivery Optimization service improperly handles     objects in memory. An attacker who successfully     exploited this vulnerability could run arbitrary code     with elevated system privileges. An attacker could then     install programs; view, change, or delete data; or     create new accounts with full user rights.
    (CVE-2020-0983)

  - An elevation of privilege vulnerability exists in the     way the Windows Push Notification Service handles     objects in memory. An attacker who successfully     exploited this vulnerability could run processes in an     elevated context. An attacker could then install     programs; view, change or delete data.  (CVE-2020-0940,     CVE-2020-1001, CVE-2020-1006, CVE-2020-1017)

  - 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     install programs; view, change, or delete data; or     create new accounts with full user rights.
    (CVE-2020-0956, CVE-2020-0958)

  - An information disclosure vulnerability exists when the     Microsoft Windows Graphics Component improperly handles     objects in memory. An attacker who successfully     exploited the vulnerability could obtain information to     further compromise the users system.  (CVE-2020-0982,     CVE-2020-0987, CVE-2020-1005)

  - An information disclosure vulnerability exists when the     Windows Push Notification Service improperly handles     objects in memory. An attacker who successfully     exploited this vulnerability could obtain information to     further compromise the users system. An authenticated     attacker could exploit this vulnerability by running a     specially crafted application. The update addresses the     vulnerability by correcting how the Windows Push     Notification Service handles objects in memory.
    (CVE-2020-1016)

  - A remote code execution vulnerability exists in the way     that the VBScript engine handles objects in memory. The     vulnerability could corrupt memory in such a way that an     attacker could execute arbitrary code in the context of     the current user. An attacker who successfully exploited     the vulnerability could gain the same user rights as the     current user.  (CVE-2020-0895, CVE-2020-0966,     CVE-2020-0967)

  - An elevation of privilege vulnerability exists when     Windows Hyper-V on a host server fails to properly     handle objects in memory. An attacker who successfully     exploited these vulnerabilities could gain elevated     privileges on a target operating system. This     vulnerability by itself does not allow arbitrary code to     be run. However, this vulnerability could be used in     conjunction with one or more vulnerabilities (e.g. a     remote code execution vulnerability and another     elevation of privilege) that could take advantage of the     elevated privileges when running. The update addresses     the vulnerabilities by correcting how Windows Hyper-V     handles objects in memory. (CVE-2020-0917,     CVE-2020-0918)

  - 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 users system. There are multiple ways an     attacker could exploit the vulnerability, such as by     convincing a user to open a specially crafted document,     or by convincing a user to visit an untrusted webpage.
    The security update addresses the vulnerability by     correcting how the Windows GDI component handles objects     in memory. (CVE-2020-0952)

  - An elevation of privilege vulnerability exists when the     Windows kernel 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.  (CVE-2020-0913, CVE-2020-1000, CVE-2020-1003)

  - An elevation of privilege vulnerability exists when     DirectX improperly handles 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.
    (CVE-2020-0784, CVE-2020-0888)

  - A remote code execution vulnerability exists in the way     that the Windows Graphics Device Interface (GDI) handles     objects in the memory. An attacker who successfully     exploited this vulnerability could take control of the     affected system. An attacker could then install     programs; view, change, or delete data; or create new     accounts with full user rights.  (CVE-2020-0964)

  - A denial of service vulnerability exists in Windows DNS     when it fails to properly handle queries. An attacker     who successfully exploited this vulnerability could     cause the DNS service to become nonresponsive.
    (CVE-2020-0993)

  - An elevation of privilege vulnerability exists when the     Windows System Assessment Tool improperly handles file     operations. An attacker who successfully exploited this     vulnerability could run processes in an elevated     context. An attacker could exploit this vulnerability by     running a specially crafted application on the victim     system. The update addresses the vulnerability by     correcting the way the Windows System Assessment Tool     handles file operations. (CVE-2020-1011)

  - A remote code execution vulnerability exists in the way     that the ChakraCore scripting engine handles objects in     memory. The vulnerability could corrupt memory in such a     way that an attacker could execute arbitrary code in the     context of the current user. An attacker who successfully     exploited the vulnerability could gain the same user     rights as the current user. If the current user is logged     on with administrative user rights, an attacker who     successfully exploited the vulnerability could take     control of an affected system. An attacker could then     install programs; view, change, or delete data; or create     new accounts with full user rights. (CVE-2020-0969,     CVE-2020-0970)

Detections

Analytics

KB4549949: Windows 10 Version 1809 and Windows Server 2019 April 2020 Security Update

high Nessus Plugin ID 135463

Version 1.14

Version 1.13

Version 1.12

Version 1.11

Version 1.14 Aug 15, 2026, 5:20 PM CISA reference Plugin Feed: 202608151720
Version 1.13 Aug 15, 2026, 1:04 AM CISA reference Plugin Feed: 202608150104
Version 1.12 Jun 17, 2024, 3:35 PM Plugin metadata (add more granular CPEs to Windows OS plugins) Plugin Feed: 202406171535
Version 1.11 Dec 6, 2022, 4:40 AM Reference Plugin Feed: 202212060440