CVE-2021-36957: Windows Desktop Bridge Elevation of Privilege Vulnerability

Published Nov 9, 2021
·
Updated

Windows Desktop Bridge Elevation of Privilege Vulnerability

Affected Software

36 affected componentsFixes available
Microsoft Windows 10=20h2
Microsoft Windows 10=21h1
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows Server 2016
Microsoft Windows Server 2016=20h2
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows Server 2016<10.0.14393.4770
10.0.14393.4770
Microsoft Windows Server 2016<10.0.14393.4770
10.0.14393.4770
Microsoft Windows 11=21H2
10.0.22000.318
Microsoft Windows 11=21H2
10.0.22000.318
Microsoft Windows 10=1607
10.0.14393.4770
Microsoft Windows Server=2004
10.0.19041.1348
Microsoft Windows 10=1607
10.0.14393.4770
Microsoft Windows Server=20H2
10.0.19041.1348
Microsoft Windows 10=20H2
10.0.19042.1348
Microsoft Windows 10=20H2
10.0.19042.1348
Microsoft Windows 10=2004
10.0.19041.1348
Microsoft Windows 10=2004
10.0.19041.1348
Microsoft Windows 10=2004
10.0.19041.1348
Microsoft Windows Server 2022<10.0.20348.350
10.0.20348.350
Microsoft Windows 10=21H1
10.0.19043.1348
Microsoft Windows Server 2022<10.0.20348.350
10.0.20348.350
Microsoft Windows 10=21H1
10.0.19043.1348
Microsoft Windows 10=1909
10.0.18363.1916
Microsoft Windows 10=21H1
10.0.19043.1348
Microsoft Windows 10=1909
10.0.18363.1916
Microsoft Windows 10=1809
10.0.17763.2300
Microsoft Windows 10=1909
10.0.18363.1916
Microsoft Windows Server 2019<10.0.17763.2300
10.0.17763.2300
Microsoft Windows 10=1809
10.0.17763.2300
Microsoft Windows 10=1809
10.0.17763.2300
Microsoft Windows Server 2019<10.0.17763.2300
10.0.17763.2300

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 10.0.14393.4770Patch KB5007192
  2. Upgrade

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

    Fixed in 10.0.22000.318Patch KB5007215
  3. Upgrade

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

    Fixed in 10.0.19041.1348Patch KB5007186
  4. Upgrade

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

    Fixed in 10.0.19042.1348Patch KB5007186
  5. Upgrade

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

    Fixed in 10.0.20348.350Patch KB5007205
  6. Upgrade

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

    Fixed in 10.0.19043.1348Patch KB5007186
  7. Upgrade

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

    Fixed in 10.0.18363.1916Patch KB5007189
  8. Upgrade

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

    Fixed in 10.0.17763.2300Patch KB5007206

Event History

Nov 9, 2021
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
Description
Nov 10, 2021
CVE Published
via MITRE·12:46 AM
Data Sourced
via MITRE·12:46 AM
DescriptionSeverity
Data Sourced
via NVD·01:17 AM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is CVE-2021-36957?

CVE-2021-36957 is a Windows Desktop Bridge Elevation of Privilege Vulnerability.

2

Is Windows 10 affected by CVE-2021-36957?

Yes, Windows 10 versions 20H2, 21H1, 1809, 1909, and 2004 are affected by CVE-2021-36957.

3

Is Windows Server affected by CVE-2021-36957?

Yes, Windows Server 2016, 2019, and 2022 are affected by CVE-2021-36957.

4

What is the severity of CVE-2021-36957?

CVE-2021-36957 has a severity rating of 7.8 (High).

5

How can I fix CVE-2021-36957?

To fix CVE-2021-36957, apply the security updates provided by Microsoft.

Contact

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