Excel Conditional Expression Parsing Vulnerability in Microsoft Products

CVE-2011-1989

Summary

Microsoft Excel is affected by a vulnerability where it fails to properly parse conditional expressions associated with formatting requirements. This oversight allows remote attackers to craft malicious spreadsheets that can execute arbitrary code when opened by unsuspecting users. Affected products include various versions of Excel and its services, particularly in the Office suite for both Windows and Mac environments. Prompt updates and security patches are recommended to mitigate risks associated with this vulnerability.

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