CWE
732
Advisory Published
CVE Published
Advisory Published
Updated

CVE-2021-27070: Microsoft Windows Update Assistant Improper Access Control Privilege Escalation Vulnerability

First published: Tue Mar 09 2021(Updated: )

Windows 10 Update Assistant Elevation of Privilege Vulnerability

Credit: secure@microsoft.com secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
=20H2
=20H2
=20H2
=20H2
=2004
=2004
=2004
=2004
Microsoft Windows 10=20h2
Microsoft Windows 10=2004
Microsoft Windows Server 2016=20h2
Microsoft Windows Server 2016=2004
Microsoft Windows

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Frequently Asked Questions

  • What is CVE-2021-27070?

    CVE-2021-27070 is a vulnerability in Microsoft Windows that allows local attackers to escalate privileges on affected installations.

  • What is the severity of CVE-2021-27070?

    The severity of CVE-2021-27070 is critical, with a CVSS score of 7.8.

  • How can an attacker exploit CVE-2021-27070?

    An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit CVE-2021-27070.

  • Which software versions are affected by CVE-2021-27070?

    CVE-2021-27070 affects Microsoft Windows 10 versions 20H2 and 2004, as well as Windows Server 2016 versions 20H2 and 2004.

  • How can I fix CVE-2021-27070?

    To fix CVE-2021-27070, apply the necessary patches provided by Microsoft, which can be found at the provided URLs.

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