Breaking Down the Latest April 2023 Patch Tuesday Report

Microsoft releases security updates every month to address vulnerabilities in its software products. These updates are critical to ensuring the security of computer systems and networks. The April 2023 Patch Tuesday Report is important as it fixes various security vulnerabilities discovered in Microsoft’s software products. 

This blog will provide an overview of the latest April 2023 Patch Tuesday report, highlighting the significant vulnerabilities and their severity levels.

Microsoft Patch Tuesday April 2023 Report Summary

Microsoft released the April 2023 Patch Tuesday. Let’s see the summary of the report:

Vulnerabilities by Category

The April 2023 Microsoft vulnerabilities are classified as follows: 

The list of 114 vulnerabilities has been classified into six different categories. Remote Code Execution (RCE) vulnerability has been identified as the most common, while Security Feature Bypass Vulnerability is the least frequent. The data presented in the table reveals that RCE vulnerability has occurred 45 times, with 7 of them categorized as Critical and the remaining 38 as Important in terms of severity. Please refer to the table above for a comprehensive view of the vulnerabilities based on their categories. 

List of Zero-Day Vulnerabilities Patched in April 2023 Patch Tuesday

Zero-day vulnerabilities are particularly dangerous as they give developers no time to create patches before attackers can exploit them. These vulnerabilities are especially concerning as they can be exploited before patches are released. Microsoft recently addressed one zero-day vulnerability that attackers were already exploiting.

Windows Common Log File System Driver Elevation of Privilege Vulnerability- CVE-2023-28252

Attackers can exploit CVE-2023-28252 in a low-complexity attack. A successful exploit of the flaw grants the attacker full SYSTEM privileges, and cyber criminals are currently using it to spread Nokoyawa Ransomware. 

Although the threat actors behind this attack have not been identified, the ransomware is already affecting organizations in various world regions, including South and North America, Asia, and the Middle East. 

The Cybersecurity and Infrastructure Security Agency (CISA) has also added this vulnerability to its Known Exploitable Vulnerabilities Catalog, indicating the severity of the issue.

List of Critical Vulnerabilities Patched in April 2023 Patch Tuesday

The list of all 7 critical vulnerabilities patched in April 2023 Patch Tuesday are as follows: 

Complete List of Vulnerabilities Patched in April 2023 Patch Tuesday Are:

If you want to download the complete list of vulnerabilities patched in April 2023 Patch Tuesday, you can do it from here. 

We hope this blog post has helped you understand the April 2023 Patch Tuesday release from Microsoft that addresses several important updates for Microsoft products, including Windows, Office, and Exchange Server. This monthly security update is essential for addressing various security vulnerabilities and enhancing the overall security of systems. 

You should prioritize applying the patches as soon as possible to mitigate the potential risks associated with these vulnerabilities. By staying up-to-date with the latest security patches and implementing proactive security measures, you can better protect your systems against potential cyber threats and ensure the safety and integrity of the systems and data.

We hope this post would help you know about the April 2023 Patch Tuesday report published by Microsoft on 11th April 2023. Please share this post and help to secure the digital world. Visit our social media page on Facebook, LinkedIn, Twitter, Telegram, Tumblr, Medium and Instagram subscribe to receive updates like this.