All vulnerabilities
CVE-2007-0671

Microsoft Office Excel Remote Code Execution Vulnerability

Microsoft OfficeApplications & CMS
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationExploited in the wildAdded to KEV 12 Aug 2025CISA KEV
Exploit odds (EPSS)43.2%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline2 Sep 2025Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 3 Feb 2007, 01:00 UTCPublishedCVE List
  2. 12 Aug 2025Added to CISA KEVCISA KEV

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.

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 6