title: Windows ARM Information Disclosure Vulnerability
description: An information disclosure vulnerability exists on ARM implementations that use speculative execution in control flow via a side-channel analysis, aka &quot;straight-line speculation.&quot;
To exploit this vulnerability, an attacker with local privileges would need to run a specially crafted application.
The security update addresses the vulnerability by bypassing the speculative execution.
problem types: Information Disclosure
affected:
{
vendor: Microsoft
product: Windows 10 Version 1809
cpes: cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:*
platforms: ARM64-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_1809:*:*:*:*:*:*:x64:*
platforms: ARM64-based Systems
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 10 Version 2004
cpes: cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
platforms: ARM64-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: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
]