CVE-2023-28273 : Security Advisory and Response

This CVE-2023-28273 concerns a vulnerability in the Windows Clip Service that could allow an attacker to elevate privileges on the affected systems. The vulnerability was published on April 11, 2023, by Microsoft.

Understanding CVE-2023-28273

What is CVE-2023-28273?

The CVE-2023-28273 vulnerability, also known as Windows Clip Service Elevation of Privilege Vulnerability, impacts various Microsoft Windows operating systems, including Windows 10, Windows Server, Windows 11, and their respective versions.

The Impact of CVE-2023-28273

The vulnerability poses a high severity risk, with a CVSS base score of 7.0, indicating a critical threat level. If exploited, an attacker could potentially escalate their privileges on the affected systems, leading to unauthorized access and control.

Technical Details of CVE-2023-28273

Vulnerability Description

The Windows Clip Service Elevation of Privilege Vulnerability allows an attacker to gain elevated privileges on the targeted systems by exploiting this security flaw.

Affected Systems and Versions

The following Microsoft products and versions are affected:

Windows 10 Version 1809
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows Server 2022
Windows 10 Version 20H2
Windows 11 versions 21H2 and 22H2
Windows 10 versions 21H2 and 22H2
Windows 10 Version 1607
Windows Server 2016
Windows Server 2016 (Server Core installation)

Mitigation and Prevention

Immediate Steps to Take

To mitigate the CVE-2023-28273 vulnerability, users are advised to apply the necessary security updates provided by Microsoft promptly. Implementing proper security configurations and monitoring for any unusual activities on the network can also help in reducing the risk of exploitation.

Long-Term Security Practices

It is recommended to follow security best practices such as regular security assessments, restricting user privileges, and keeping systems up to date with the latest security patches to prevent similar vulnerabilities in the future.

Patching and Updates

Users should refer to the Microsoft Security Response Center for detailed guidance on patching and updates to address the Windows Clip Service Elevation of Privilege Vulnerability.

For more information, you can visit the Microsoft Security Response Center.