August 12, 2025 · Applied Cybernetics Group
CVE-2007-0671 — Microsoft Office
Microsoft Office Excel Remote Code Execution Vulnerability
- Added to KEV
2025-08-12- Federal due date
2025-09-02- Vendor
- Microsoft
- Product
- Office
- EPSS
- 98.0th percentile (score 0.523, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2007-0671
CISA short description
Microsoft Office Excel contains a remote code execution vulnerability that can be exploited when a specially crafted Excel file is opened. This malicious file could be delivered as an email attachment or hosted on a malicious website. An attacker could leverage this vulnerability by creating a specially crafted Excel file, which, when opened, allowing an attacker to execute remote code on the affected system.
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.