CVE-2025-29979

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

The vulnerability of Microsoft Excel spreadsheet editors and the Microsoft SharePoint Server corporate application suite allows a perpetrator to execute arbitrary code.

The vulnerability of Microsoft Excel spreadsheet editors and the Microsoft SharePoint Server corporate application suite stems from buffer overflow attacks. Exploiting this vulnerability allows a malicious actor to execute arbitrary code through a specially created Office document, while operatin...

Buffer overflow

Microsoft Excel 2002 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac obtain a certain length value from an uninitialized memory location, which allows remote attackers to trigger a buffer overflow and execute arbitrary code via a crafted Excel file, aka "Excel Data...