Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? An attacker must send a user a malicious Office file and convince them to open it. According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution? The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability. Is the Preview Pane an attack vector for this vulnerability? Yes, the Preview Pane is an attack vector. 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. Are the updates for Microsoft Office LTSC for Mac 2021 and 2024 currently available? Yes. As of April 14, 2025, the security update for Microsoft Office LTSC for Mac 2021 and 2024 are available. Customers running Microsoft Office LTSC for Mac 2021 and 2024 should ensure the update is installed to be protected from this vulnerability.
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