CVE-2024-43106 Privilege escalation in Excel

What is CVE-2024-43106?

CVE-2024-43106 is a high-severity vulnerability in Microsoft Excel, published on 18 Dec 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A library injection vulnerability exists in Microsoft Excel 16.83 for macOS. A specially crafted library can leverage Excel's access privileges, leading to a permission bypass. A malicious application could inject a library and start the program to trigger this vulnerability and then make use of the vulnerable application's permissions.

Weakness: CWE-347

Which versions are affected by CVE-2024-43106?

It affects 1 product.

Products include Microsoft Excel.

How do I fix CVE-2024-43106?

No fix has been published for CVE-2024-43106 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-43106 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-43106 exists.

Other vulnerabilities in Microsoft Excel

• CVE-2019-1297 Microsoft Excel Remote Code Execution Exploited High 8.8
• CVE-2009-0238 Microsoft Office Remote Code Execution Exploited High 8.8
• CVE-2016-7262 Microsoft Office Security Feature Bypass Exploited High 7.8
• CVE-2009-3129 Microsoft Excel Featheader Record Memory Corruption Exploited High 7.8
• CVE-2008-0081 Code injection in n/a Critical 9.8

All Microsoft Excel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-qfv9-wmf6-2j52.