CVE-2021-26890: Application Virtualization Remote Code Execution Vulnerability

Published Mar 9, 2021
·
Updated

Application Virtualization Remote Code Execution Vulnerability

Affected Software

22 affected componentsFixes available
Microsoft Windows 10=20h2
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows Server 2016=20h2
Microsoft Windows Server 2019
Microsoft Windows Server=2004
10.0.19043.867
Microsoft Windows Server=1909
10.0.18363.1440
Microsoft Windows 10=2004
10.0.19043.867
Microsoft Windows 10=20H2
10.0.19043.867
Microsoft Windows Server=20H2
10.0.19043.867
Microsoft Windows 10=20H2
10.0.19043.867
Microsoft Windows 10=2004
10.0.19043.867
Microsoft Windows 10=1909
10.0.18363.1440
Microsoft Windows 10=2004
10.0.19043.867
Microsoft Windows 10=1809
10.0.17763.1817
Microsoft Windows 10=1809
10.0.17763.1817
Microsoft Windows Server 2019<10.0.17763.1817
10.0.17763.1817
Microsoft Windows 10=1909
10.0.18363.1440
Microsoft Windows 10=1909
10.0.18363.1440
Microsoft Windows 10=1809
10.0.17763.1817
Microsoft Windows Server 2019<10.0.17763.1817
10.0.17763.1817

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.19043.867Patch KB5000802
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.18363.1440Patch KB5000808
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.17763.1817Patch KB5000822

Event History

Mar 9, 2021
CVE Published
via Microsoft·04:00 PM
Data Sourced
via Microsoft·04:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·04:00 PM
Affected Software
Updated
via Microsoft·04:00 PM
Description
Mar 11, 2021
CVE Published
via MITRE·03:42 PM
Data Sourced
via MITRE·03:42 PM
DescriptionSeverity
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

Which systems are identified as affected?

The listed affected software includes Microsoft Windows 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019, and Microsoft Windows Server.

2

What access and interaction does exploitation require?

The CVSS vector rates the attack as local and requires user interaction. It does not require prior privileges or authentication.

3

What could a successful exploit affect?

The CVSS assessment assigns high impact to confidentiality, integrity, and availability. The listed CVSS 3.1 score is 7.8, rated high severity.

Contact

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