Known Exploited Vulnerability: CVE-2007-0671

Microsoft Office Excel Remote Code Execution Vulnerability

Catalog version: 2026.06.09 Date added: 2025-08-12 Due date: 2025-09-02 CISA catalog

Vendor: Microsoft

Product: Office

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Known ransomware campaign use: Unknown

Notes: https://learn.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-015 https://nvd.nist.gov/vuln/detail/CVE-2007-0671

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