CVE Watch—

CVE-2007-0671

Microsoft Office Excel Remote Code Execution Vulnerability

CVSS

—

No CVSS

EPSS

42.1%

p99

KEV

YES

Aug 12, 2025

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

42.1%EPSS · 30 days42.1%

2026-06-302026-07-16

KEV catalog record

Product

Microsoft / Office

Vulnerability

Microsoft Office Excel Remote Code Execution Vulnerability

Added to KEV

Aug 12, 2025

Remediate by

Sep 2, 2025

Known ransomware use

Summary 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.

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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