Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.
How could an attacker exploit this vulnerability? To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system. Additionally, an attacker could convince a local user to open a malicious file. The attacker would have to convince the user to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file. What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges. There are multiple update packages available for some of the affected software. Do I need to install all the updates listed in the Security Updates table for the software? Yes. Customers should apply all updates offered for the software installed on their systems. To address a known issue that customers might experience after installing KB5002700 and that causes Microsoft Word, Microsoft Excel, and Microsoft Outlook to stop responding, Microsoft released KB5002623. If you have already installed KB5002700, you must also install KB5002623 to correct the known issue. If you have not yet installed any updates you must install both updates to correct the known issue. These updates can be installed in any order.
<a href="https://twitter.com/y311owb0y">邹瑞伦</a> with <a href="https://www.qianxin.com/product/detail/pid/372">Codesafe Team of Legendsec at Qi'anxin Group</a>