CVE-2021-1636: Microsoft SQL Elevation of Privilege Vulnerability

Published Jan 12, 2021
·
Updated

Microsoft SQL Elevation of Privilege Vulnerability

Affected Software

17 affected componentsFixes available
Microsoft SQL Server=2012-sp4
Microsoft SQL Server=2014-sp3
Microsoft SQL Server=2016-sp2
Microsoft SQL Server=2017
Microsoft SQL Server=2019
Microsoft SQL Server 2019
Microsoft SQL Server 2019
Microsoft SQL Server 2016
Microsoft SQL Server 2014
Microsoft SQL Server 2014
Microsoft SQL Server 2014
Microsoft SQL Server 2017
Microsoft SQL Server 2012
Microsoft SQL Server 2014
Microsoft SQL Server 2016
Microsoft SQL Server 2017
Microsoft SQL Server 2012

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 KB4583458
  2. Upgrade

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

    Patch KB4583461
  3. Upgrade

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

    Patch KB4583459
  4. Upgrade

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

    Patch KB4583463
  5. Upgrade

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

    Patch KB4583462
  6. Upgrade

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

    Patch KB4583456
  7. Upgrade

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

    Patch KB4583460
  8. Upgrade

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

    Patch KB4583465
  9. Upgrade

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

    Patch KB4583457

Event History

Jan 12, 2021
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·07:41 PM
Data Sourced
via MITRE·07:41 PM
DescriptionSeverity
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeaknessAffected Software
Mar 4, 2022
Exploit Published
via GitHub·09:00 AM

Frequently Asked Questions

1

What is CVE-2021-1636?

CVE-2021-1636 is a Microsoft SQL Elevation of Privilege Vulnerability.

2

What is the severity of CVE-2021-1636?

The severity of CVE-2021-1636 is high.

3

Which software versions are affected by CVE-2021-1636?

CVE-2021-1636 affects Microsoft SQL Server versions 2012, 2014, 2016, 2017, and 2019.

4

How can CVE-2021-1636 be fixed?

To fix CVE-2021-1636, it is recommended to apply the latest security updates provided by Microsoft.

5

Where can I find more information about CVE-2021-1636?

More information about CVE-2021-1636 can be found on the Microsoft Security Guidance Advisory.

Contact

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