CVE-2020-1087: Windows Kernel Elevation of Privilege Vulnerability

Published May 12, 2020
·
Updated

An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory, aka 'Windows Kernel Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1114.

Other sources

An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application. The security update addresses the vulnerability by ensuring the Windows Kernel properly handles objects in memory.

Microsoft

Affected Software

29 affected componentsFixes available
Microsoft Windows 10=1709
Microsoft Windows 10=1803
Microsoft Windows 10=1809
Microsoft Windows 10=1903
Microsoft Windows 10=1909
Microsoft Windows Server 2016=1709
Microsoft Windows Server 2016=1803
Microsoft Windows Server 2016=1909
Microsoft Windows Server 2019
Microsoft Windows 10=1803
Microsoft Windows Server=1803
Microsoft Windows 10=1803
Microsoft Windows 10=1803
Microsoft Windows 10=1809
Microsoft Windows 10=1903
Microsoft Windows Server=1903
Microsoft Windows 10=1709
Microsoft Windows 10=1903
Microsoft Windows 10=1903
Microsoft Windows 10=1709
Microsoft Windows Server=1909
Microsoft Windows 10=1709
Microsoft Windows 10=1909
Microsoft Windows 10=1909
Microsoft Windows 10=1909
Microsoft Windows Server 2019
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 KB4556807
  2. Upgrade

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

    Patch KB4551853
  3. Upgrade

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

    Patch KB4556799
  4. Upgrade

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

    Patch KB4556812

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 is the severity of CVE-2020-1087?

CVE-2020-1087 has a CVSS base score of 7.8, indicating it is a high-severity vulnerability.

2

How do I fix CVE-2020-1087?

To fix CVE-2020-1087, apply the Microsoft security update released for affected Windows versions.

3

Which versions of Windows are affected by CVE-2020-1087?

CVE-2020-1087 affects Windows 10 versions 1709, 1803, 1809, 1903, 1909 and Windows Server 2016 version 1709, 1803, 1909, as well as Windows Server 2019.

4

What type of vulnerability is CVE-2020-1087?

CVE-2020-1087 is classified as an elevation of privilege vulnerability.

5

Can CVE-2020-1087 be exploited remotely?

CVE-2020-1087 requires local access for exploitation, meaning an attacker must have physical or remote access to the system.

Contact

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