7.8
CWE
269
Advisory Published
CVE Published
Advisory Published
Updated

CVE-2021-1648: Microsoft Windows splwow64 Out-Of-Bounds Read Privilege Escalation Vulnerability

First published: Tue Jan 12 2021(Updated: )

Microsoft splwow64 Elevation of Privilege Vulnerability

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

Affected SoftwareAffected VersionHow to fix
Microsoft Windows
Microsoft Windows 10=20H2
Microsoft Windows 8.1 for 32-bit systems
Microsoft Windows 10=1809
Microsoft Windows Server=20H2
Microsoft Windows 10=20H2
Microsoft Windows Server 2016
Microsoft Windows 10=1803
Microsoft Windows 10=1909
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016
Microsoft Windows Server 2012 R2
Microsoft Windows 10=20H2
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows 10
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows 10=1607
Microsoft Windows 10=1809
Microsoft Windows 10=1607
Microsoft Windows Server=2004
Microsoft Windows Server=1909
Microsoft Windows 10=1803
Microsoft Windows 8.1 for x64-based systems
Microsoft Windows 10
Microsoft Windows 10=2004
Microsoft Windows 10=1803
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows Server 2012 x64
Microsoft Windows Server 2012 x64
Microsoft Windows 10
Microsoft Windows 10=20h2
Microsoft Windows 10=1607
Microsoft Windows 10=1803
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows 8.1
Microsoft Windows Server 2012 x64
Microsoft Windows Server 2012 x64=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=20h2
Microsoft Windows Server 2016=1909
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019
Microsoft Windows RT

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Frequently Asked Questions

  • What is the severity of CVE-2021-1648?

    CVE-2021-1648 has been classified with a critical severity level, allowing local attackers to escalate privileges.

  • How do I fix CVE-2021-1648?

    To fix CVE-2021-1648, it is recommended to apply the latest security updates and patches provided by Microsoft for affected Windows versions.

  • Which Windows versions are affected by CVE-2021-1648?

    CVE-2021-1648 affects multiple versions of Microsoft Windows, including Windows 10, Windows 8.1, and Windows Server editions.

  • What kind of attacks can leverage CVE-2021-1648?

    CVE-2021-1648 can be exploited by local attackers to gain elevated privileges on vulnerable systems.

  • Is there any mitigation for CVE-2021-1648?

    The best mitigation for CVE-2021-1648 is to ensure that all security patches are promptly applied to affected systems.

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