CVE-2022-21845 : What You Need to Know

Windows Kernel Information Disclosure Vulnerability was published by Microsoft on July 12, 2022. The vulnerability affects various Microsoft products including Windows 10, Windows Server, Windows 11, and more.

Understanding CVE-2022-21845

This CVE discloses information within the Windows Kernel, potentially leading to security risks.

What is CVE-2022-21845?

CVE-2022-21845 is an Information Disclosure vulnerability in the Windows Kernel, affecting several Microsoft products.

The Impact of CVE-2022-21845

The vulnerability could allow attackers to access sensitive information stored in the Windows Kernel, compromising the security and privacy of affected systems.

Technical Details of CVE-2022-21845

The following details outline the vulnerability, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability allows unauthorized access to kernel information, posing a risk to system security.

Affected Systems and Versions

Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows 10 Version 21H1
Windows Server 2022
Windows 10 Version 20H2
Windows Server version 20H2
Windows 11 version 21H2
Windows 10 Version 21H2
Windows 10 Version 1507
Windows 10 Version 1607
Windows Server 2016
Windows Server 2016 (Server Core installation)
Windows 7
Windows 7 Service Pack 1
Windows 8.1
Windows Server 2008 Service Pack 2
Windows Server 2008 Service Pack 2 (Server Core installation)
Windows Server 2008 Service Pack 2
Windows Server 2008 R2 Service Pack 1
Windows Server 2008 R2 Service Pack 1 (Server Core installation)
Windows Server 2012
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)

Exploitation Mechanism

A successful exploit of this vulnerability could give an attacker unauthorized access to kernel information.

Mitigation and Prevention

To secure your systems, consider the following steps and precautions.

Immediate Steps to Take

Apply the latest security updates provided by Microsoft.
Implement security best practices to minimize the risk of unauthorized access.

Long-Term Security Practices

Regularly update and patch your systems to protect against known vulnerabilities.
Monitor security advisories from Microsoft and apply relevant patches promptly.

Patching and Updates

Keep your systems up to date with the latest security patches from Microsoft to address CVE-2022-21845.