CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.
Remediation Deadline: Sep 2, 2025
High
CISA KEVCVE-2007-0671
Microsoft—Office
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
https://learn.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-015 ; https://nvd.nist.gov/vuln/detail/CVE-2007-0671
Vulnerability Overview
- Severity
- High
- CISA KEV
- Yes
- Ransomware
- Unknown
- Published
- Aug 12, 2025
- KEV Added
- Aug 12, 2025
- Due Date
- Sep 2, 2025
- Related Articles
- 0
Vendor
Microsoft
Office