title: Windows WaasMedic Service Information Disclosure Vulnerability
description: An information disclosure vulnerability exists when the Windows WaasMedic Service improperly handles memory.
To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to improperly disclose memory.
The security update addresses the vulnerability by correcting how the Windows WaasMedic Service handles memory.
problem types: Information Disclosure
affected:
{
vendor: Microsoft
product: Windows 10 Version 2004
cpes: cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
platforms: [32-bit Systems, ARM64-based Systems, x64-based Systems]
versions:
version: 10.0.0, lessThan: publication, versionType: custom, status: affected
}
{
vendor: Microsoft
product: Windows Server version 2004
cpes: cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:*
platforms: x64-based Systems
versions:
version: 10.0.0, lessThan: publication, versionType: custom, status: affected
}
{
vendor: Microsoft
product: Windows 10 Version 1803
cpes: [cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*, cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:x64:*, cpe:2.3:o:microsoft:windows_10_1803:*:*:*:*:*:*:arm64:*]
platforms: [32-bit Systems, x64-based Systems, ARM64-based Systems]
versions:
version: 10.0.0, lessThan: publication, versionType: custom, status: affected
}
{
vendor: Microsoft
product: Windows 10 Version 1809
cpes: [cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*, cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*, cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:*]
platforms: [32-bit Systems, x64-based Systems, ARM64-based Systems]
versions:
version: 10.0.0, lessThan: publication, versionType: custom, status: affected
}
{
vendor: Microsoft
product: Windows Server 2019
cpes: cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
platforms: x64-based Systems
versions:
version: 10.0.0, lessThan: publication, versionType: custom, status: affected
}
{
vendor: Microsoft
product: Windows Server 2019 (Server Core installation)
cpes: cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
platforms: x64-based Systems
versions:
version: 10.0.0, lessThan: publication, versionType: custom, status: affected
}
{
vendor: Microsoft
product: Windows 10 Version 1909
cpes: [cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x86:*, cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:x64:*, cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*]
platforms: [32-bit Systems, x64-based Systems, ARM64-based Systems]
versions:
version: 10.0.0, lessThan: publication, versionType: custom, status: affected
}
{
vendor: Microsoft
product: Windows Server, version 1909 (Server Core installation)
cpes: cpe:2.3:o:microsoft:windows_server_1909:*:*:*:*:*:*:*:*
platforms: x64-based Systems
versions:
version: 10.0.0, lessThan: publication, versionType: custom, status: affected
}
{
vendor: Microsoft
product: Windows 10 Version 1903 for 32-bit Systems
cpes: cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
platforms: Unknown
versions:
version: 10.0.0, lessThan: publication, versionType: custom, status: affected
}
{
vendor: Microsoft
product: Windows 10 Version 1903 for x64-based Systems
cpes: cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
platforms: Unknown
versions:
version: 10.0.0, lessThan: publication, versionType: custom, status: affected
}
{
vendor: Microsoft
product: Windows 10 Version 1903 for ARM64-based Systems
cpes: cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
platforms: Unknown
versions:
version: 10.0.0, lessThan: publication, versionType: custom, status: affected
}
{
vendor: Microsoft
product: Windows Server, version 1903 (Server Core installation)
cpes: cpe:2.3:o:microsoft:windows_server_1903:*:*:*:*:*:*:*:*
platforms: x64-based Systems
versions:
version: 10.0.0, lessThan: publication, versionType: custom, status: affected
}
metrics:
format: CVSS
scenarios: GENERAL
cvssV3_1: [
version: 3.1
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
]