CVE-2007-0671
High 8.8 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft Office Excel Remote Code Execution Vulnerability
- Added to catalog
- Remediation due date (US federal)
- 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.
Description
Unspecified vulnerability in Microsoft Excel 2000, XP, 2003, and 2004 for Mac, and possibly other Office products, allows remote user-assisted attackers to execute arbitrary code via unknown attack vectors, as demonstrated by Exploit-MSExcel.h in targeted zero-day attacks.
Metrics
- CVSS 3.1
-
8.8 (HIGH)
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 44% (percentile: 99) as of 1 November 2026
Affected products
microsoft: access; microsoft: excel; microsoft: excel viewer; microsoft: frontpage; microsoft: infopath; microsoft: office; microsoft: onenote; microsoft: outlook; microsoft: powerpoint; microsoft: project; microsoft: publisher; microsoft: visio; microsoft: word; microsoft: word viewer
References
- http://secunia.com/advisories/24008 Broken LinkVendor Advisory
- http://www.microsoft.com/technet/security/advisory/932553.mspx Broken LinkVendor Advisory
- http://www.vupen.com/english/advisories/2007/0463 Vendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-0… Vendor Advisory
- http://secunia.com/advisories/24008 Broken LinkVendor Advisory
- http://www.microsoft.com/technet/security/advisory/932553.mspx Broken LinkVendor Advisory
- http://www.vupen.com/english/advisories/2007/0463 Vendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-0… Vendor Advisory
- https://learn.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-… Vendor Advisory
- http://osvdb.org/31901 Broken Link