CVE-2023-36803: Windows Kernel Information Disclosure Vulnerability

Published Sep 12, 2023
·
Updated

Windows Kernel Information Disclosure Vulnerability

Affected Software

30 affected componentsFixes available
Microsoft Windows Server 2016
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft Windows Server 2019
Microsoft Windows 11=22H2
Microsoft Windows 11=22H2
Microsoft Windows 11=21H2
Microsoft Windows 11=21H2
Microsoft Windows Server 2022
Microsoft Windows Server 2022
Microsoft Windows 10 1607<10.0.14393.6252
Microsoft Windows 10 1809<10.0.17763.4851
Microsoft Windows 10 21h2<10.0.19044.3448
Microsoft Windows 10 22h2<10.0.19045.3448
Microsoft Windows 11 21h2<10.0.22000.2416
Microsoft Windows 11 22h2<10.0.22621.2275
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=22H2
Microsoft Windows 10=1607
Microsoft Windows 10=1607
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2
Microsoft Windows 10=21H2

Event History

Sep 12, 2023
CVE Published
07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
CVE Published
via MITRE·04:58 PM
Data Sourced
via MITRE·04:58 PM
DescriptionSeverity

Frequently Asked Questions

1

What is CVE-2023-36803?

CVE-2023-36803 is a Windows Kernel Information Disclosure Vulnerability, which allows an attacker to access sensitive information from the Windows kernel.

2

How severe is CVE-2023-36803?

CVE-2023-36803 has a severity rating of 5.5, which is considered high.

3

Which software versions are affected by CVE-2023-36803?

Windows 10 versions 1607, 22H2, 21H2, and 1809, Windows Server 2016, 2019, and 2022, and Windows 11 versions 22H2 and 21H2 are affected by CVE-2023-36803.

4

How can I fix CVE-2023-36803?

To fix CVE-2023-36803, apply the corresponding patches provided by Microsoft. Please refer to the respective links for the patches for each affected software version: [Windows 10 1607](https://support.microsoft.com/help/5030213), [Windows 10 22H2](https://support.microsoft.com/help/5030211), [Windows 10 21H2](https://support.microsoft.com/help/5030214), [Windows 10 1809](https://support.microsoft.com/help/5030211), [Windows Server 2016](https://support.microsoft.com/help/5030216), [Windows Server 2019](https://support.microsoft.com/help/5030214), and [Windows Server 2022](https://support.microsoft.com/help/5030219).

5

Where can I find more information about CVE-2023-36803?

You can find more information about CVE-2023-36803 on the [Microsoft Security Response Center](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36803) website.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203