CVE-2021-38637: Windows Storage Information Disclosure Vulnerability

Published Sep 14, 2021
·
Updated

Windows Storage Information Disclosure Vulnerability

Affected Software

29 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=20h2
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows Server=20H2
10.0.19042.1237
Microsoft Windows 10=20H2
10.0.19042.1237
Microsoft Windows 10=20H2
10.0.19042.1237
Microsoft Windows 10=2004
10.0.19041.1237
Microsoft Windows 10=21H1
10.0.19043.1237
Microsoft Windows 10=1909
10.0.18363.1801
Microsoft Windows 10=1909
10.0.18363.1801
Microsoft Windows Server=2004
10.0.19041.1237
Microsoft Windows 10=2004
10.0.19041.1237
Microsoft Windows 10=21H1
10.0.19043.1237
Microsoft Windows 10=1909
10.0.18363.1801
Microsoft Windows Server 2019<10.0.17763.2183
10.0.17763.2183
Microsoft Windows 10=2004
10.0.19041.1237
Microsoft Windows Server 2019<10.0.17763.2183
10.0.17763.2183
Microsoft Windows 10=1809
10.0.17763.2183
Microsoft Windows 10=1809
10.0.17763.2183
Microsoft Windows Server 2022<10.0.20348.230
10.0.20348.230
Microsoft Windows 10=1809
10.0.17763.2183
Microsoft Windows Server 2022<10.0.20348.230
10.0.20348.230
Microsoft Windows 10=21H1
10.0.19043.1237

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 10.0.19042.1237Patch KB5005565
  2. Upgrade

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

    Fixed in 10.0.19041.1237Patch KB5005565
  3. Upgrade

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

    Fixed in 10.0.18363.1801Patch KB5005566
  4. Upgrade

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

    Fixed in 10.0.19043.1237Patch KB5005565
  5. Upgrade

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

    Fixed in 10.0.17763.2183Patch KB5005568
  6. Upgrade

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

    Fixed in 10.0.20348.230Patch KB5005575

Event History

Sep 14, 2021
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
Sep 15, 2021
CVE Published
via MITRE·11:23 AM
Data Sourced
via MITRE·11:23 AM
DescriptionSeverity
Data Sourced
via NVD·12:15 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-38637?

The severity of CVE-2021-38637 is classified as important according to Microsoft.

2

How do I fix CVE-2021-38637?

To fix CVE-2021-38637, ensure that your Windows operating system is updated with the latest security patches from Microsoft.

3

What versions of Windows are affected by CVE-2021-38637?

CVE-2021-38637 affects multiple versions of Windows 10 and Windows Server, including 1809, 1909, 2004, 20H2, 21H1, and 2016 server builds.

4

What is the impact of CVE-2021-38637?

CVE-2021-38637 can lead to information disclosure, potentially allowing an attacker to access sensitive information.

5

Is CVE-2021-38637 easy to exploit?

Exploitation of CVE-2021-38637 requires the attacker to have local access to the affected system, making it less likely to be exploited remotely.

Contact

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