CVE-2020-1079: Microsoft Windows Elevation of Privilege Vulnerability

Published May 12, 2020
·
Updated

An elevation of privilege vulnerability exists when the Windows fails to properly handle objects in memory, aka 'Microsoft Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1010, CVE-2020-1068.

Other sources

An elevation of privilege vulnerability exists when the Windows fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application to take control of an affected system. The update addresses the vulnerability by correcting how the Windows handles objects in memory.

Microsoft

Affected Software

49 affected componentsFixes available
Microsoft Windows 10
Microsoft Windows 10=1607
Microsoft Windows 10=1709
Microsoft Windows 10=1803
Microsoft Windows 10=1809
Microsoft Windows 10=1903
Microsoft Windows 10=1909
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=1803
Microsoft Windows Server 2016=1903
Microsoft Windows Server 2016=1909
Microsoft Windows Server 2019
Microsoft Windows Server 2012
Microsoft Windows RT 8.1
Microsoft Windows Server 2012 R2
Microsoft Windows 10=1903
Microsoft Windows 8.1 for 32-bit systems
Microsoft Windows 8.1 for x64-based systems
Microsoft Windows 10=1607
Microsoft Windows Server 2016
Microsoft Windows 10=1607
Microsoft Windows Server 2016
Microsoft Windows 10=1903
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows 10
Microsoft Windows Server=1909
Microsoft Windows 10=1909
Microsoft Windows 10=1909
Microsoft Windows 10=1903
Microsoft Windows Server=1903
Microsoft Windows 10=1709
Microsoft Windows 10=1709
Microsoft Windows 10=1909
Microsoft Windows 10=1709
Microsoft Windows Server 2019
Microsoft Windows 10=1809
Microsoft Windows 10
Microsoft Windows 10=1803
Microsoft Windows Server=1803
Microsoft Windows 10=1803
Microsoft Windows 10=1803
Microsoft Windows Server 2019
Microsoft Windows 10=1809
Microsoft Windows 10=1809

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Patch KB4556852
  2. Upgrade

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

    Patch KB4556846
  3. Upgrade

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

    Patch KB4556853
  4. Upgrade

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

    Patch KB4556799
  5. Upgrade

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

    Patch KB4556813
  6. Upgrade

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

    Patch KB4556826
  7. Upgrade

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

    Patch KB4556812
  8. Upgrade

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

    Patch KB4551853
  9. Upgrade

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

    Patch KB4556807

Event History

May 12, 2020
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
DescriptionSeverity
May 21, 2020
CVE Published
via MITRE·10:53 PM
Data Sourced
via MITRE·10:53 PM
DescriptionSeverity
Data Sourced
via NVD·11:15 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What access does an attacker need to exploit this vulnerability?

The attacker must first be able to log on to the affected system and run a specially crafted application. The CVSS vector indicates local access, low attack complexity, low privileges required, and no user interaction.

2

What could an attacker do after successful exploitation?

Successful exploitation could allow arbitrary code execution with full user rights. An attacker could install programs, view, modify, or delete data, and create new accounts.

3

Which Windows platforms are listed as affected?

The affected software list includes Windows 8.1, Windows RT 8.1, Windows 10, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, and Windows Server 2019.

4

What is the remediation described for this issue?

Apply the Microsoft update that corrects how Windows handles objects in memory.

Contact

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