Stack-based Buffer Overflow in Microsoft Office Excel by Microsoft

CVE-2026-55141

What is CVE-2026-55141?

A stack-based buffer overflow vulnerability exists in Microsoft Office Excel, which can allow an unauthorized attacker to execute arbitrary code on a victim's system. By crafting a malicious file and enticing a user to open it, the attacker could exploit this vulnerability, potentially compromising the confidentiality, integrity, and availability of the system. Users are advised to apply the latest security patches to mitigate the risk associated with this vulnerability.

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