CVE-2020-1391 - An information disclosure vulnerability exists when the Windows Agent Activation Runtime (AarSvc) fails to properly handle objects in memory, aka 'Windows Agent Activation Runtime Information Disclosure Vulnerability'

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MEDIUM

An information disclosure vulnerability exists when the Windows Agent Activation Runtime (AarSvc) fails to properly handle objects in memory, aka 'Windows Agent Activation Runtime Information Disclosure Vulnerability'

Published Jul 14, 2020

5.5

MEDIUM

CVSS 3.1

EPSS 1.22%

Description

An information disclosure vulnerability exists when the Windows Agent Activation Runtime (AarSvc) fails to properly handle objects in memory, aka 'Windows Agent Activation Runtime Information Disclosure Vulnerability'.

Affected products

Vendor Microsoft Product Windows 10 Version 1903 for 32-bit Systems Default
unknown
Affected
- unspecified
Vendor Microsoft Product Windows 10 Version 1903 for ARM64-based Systems Default
unknown
Affected
- unspecified
Vendor Microsoft Product Windows 10 Version 1903 for x64-based Systems Default
unknown
Affected
- unspecified
Vendor Microsoft Product Windows 10 Version 1909 for 32-bit Systems Default
unknown
Affected
- unspecified
Vendor Microsoft Product Windows 10 Version 1909 for ARM64-based Systems Default
unknown
Affected
- unspecified
Vendor Microsoft Product Windows 10 Version 1909 for x64-based Systems Default
unknown
Affected
- unspecified
Vendor Microsoft Product Windows 10 Version 2004 for 32-bit Systems Default
unknown
Affected
- unspecified
Vendor Microsoft Product Windows 10 Version 2004 for ARM64-based Systems Default
unknown
Affected
- unspecified
Vendor Microsoft Product Windows 10 Version 2004 for x64-based Systems Default
unknown
Affected
- unspecified
Vendor Microsoft Product Windows Server, version 1903 (Server Core installation) Default
unknown
Affected
- unspecified
Vendor Microsoft Product Windows Server, version 1909 (Server Core installation) Default
unknown
Affected
- unspecified
Vendor Microsoft Product Windows Server, version 2004 (Server Core installation) Default
unknown
Affected
- unspecified

Default status is the baseline for the product. Each version can override it (patched versions can be marked unaffected).

Vendor	Product	Default status	Versions
Microsoft	Windows 10 Version 1903 for 32-bit Systems	unknown	Affected unspecified
Microsoft	Windows 10 Version 1903 for ARM64-based Systems	unknown	Affected unspecified
Microsoft	Windows 10 Version 1903 for x64-based Systems	unknown	Affected unspecified
Microsoft	Windows 10 Version 1909 for 32-bit Systems	unknown	Affected unspecified
Microsoft	Windows 10 Version 1909 for ARM64-based Systems	unknown	Affected unspecified
Microsoft	Windows 10 Version 1909 for x64-based Systems	unknown	Affected unspecified
Microsoft	Windows 10 Version 2004 for 32-bit Systems	unknown	Affected unspecified
Microsoft	Windows 10 Version 2004 for ARM64-based Systems	unknown	Affected unspecified
Microsoft	Windows 10 Version 2004 for x64-based Systems	unknown	Affected unspecified
Microsoft	Windows Server, version 1903 (Server Core installation)	unknown	Affected unspecified
Microsoft	Windows Server, version 1909 (Server Core installation)	unknown	Affected unspecified
Microsoft	Windows Server, version 2004 (Server Core installation)	unknown	Affected unspecified

Remediation

No remediation recorded yet.

Weaknesses (0)

No CWE recorded.

References (2)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-12267
Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1391
x_refsource_MISCPatchVendor Advisory

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-12267		Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1391		x_refsource_MISCPatchVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner microsoft

Published Jul 14, 2020

Updated Aug 4, 2024

Reserved Nov 4, 2019

Link CVE-2020-1391

CISA Vulnrichment

No data

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2020-1391

Red Hat

No data

ENISA EUVD

Assigner microsoft

Published Jul 14, 2020

Updated Aug 4, 2024

Link EUVD-2020-12267

GitHub

No data