CVE-2007-0671
HIGHCVSS 8.8/10Actively ExploitedEPSS 42.14%
Last modified
CVE-2007-0671 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 42.14% chance of exploitation in the next 30 days.
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/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | Access | 2000 | — |
| Microsoft | Access | 2002 | — |
| Microsoft | Access | 2003 | — |
| Microsoft | Excel | 2000 | — |
| Microsoft | Excel | 2002 | — |
| Microsoft | Excel | 2003 | — |
| Microsoft | Excel Viewer | 2003 | — |
| Microsoft | Frontpage | 2000 | — |
| Microsoft | Frontpage | 2002 | — |
| Microsoft | Frontpage | 2003 | — |
| Microsoft | Infopath | 2003 | — |
| Microsoft | Office | 2000 | Sp3 |
| Microsoft | Office | 2003 | Sp2 |
| Microsoft | Office | 2004 | — |
| Microsoft | Office | xp | Sp3 |
| Microsoft | Onenote | 2003 | — |
| Microsoft | Outlook | 2000 | — |
| Microsoft | Outlook | 2002 | — |
| Microsoft | Outlook | 2003 | — |
| Microsoft | Powerpoint | 2000 | — |
| Microsoft | Powerpoint | 2002 | — |
| Microsoft | Powerpoint | 2003 | — |
| Microsoft | Project | 2000 | Sr1 |
| Microsoft | Project | 2002 | Sp1 |
| Microsoft | Project | 2003 | — |
| Microsoft | Publisher | 2000 | — |
| Microsoft | Publisher | 2002 | — |
| Microsoft | Publisher | 2003 | — |
| Microsoft | Visio | 2002 | Sp2 |
| Microsoft | Visio | 2003 | — |
| Microsoft | Word | 2000 | — |
| Microsoft | Word | 2002 | — |
| Microsoft | Word | 2003 | — |
| Microsoft | Word Viewer | 2003 | — |
References
- http://osvdb.org/31901Broken Link
- http://secunia.com/advisories/24008Broken Link, Vendor Advisory
- http://securitytracker.com/id?1017584Broken Link
- http://vil.nai.com/vil/content/v_141393.htmBroken Link
- http://www.kb.cert.org/vuls/id/613740US Government Resource
- http://www.microsoft.com/technet/security/advisory/932553.mspxBroken Link, Vendor Advisory
- http://www.securityfocus.com/bid/22383Broken Link
- http://www.us-cert.gov/cas/techalerts/TA07-044A.htmlBroken Link, US Government Resource
- http://www.vupen.com/english/advisories/2007/0463Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/32178Third Party Advisory
- http://osvdb.org/31901Broken Link
- http://secunia.com/advisories/24008Broken Link, Vendor Advisory
- http://securitytracker.com/id?1017584Broken Link
- http://vil.nai.com/vil/content/v_141393.htmBroken Link
- http://www.kb.cert.org/vuls/id/613740US Government Resource
- http://www.microsoft.com/technet/security/advisory/932553.mspxBroken Link, Vendor Advisory
- http://www.securityfocus.com/bid/22383Broken Link
- http://www.us-cert.gov/cas/techalerts/TA07-044A.htmlBroken Link, US Government Resource
- http://www.vupen.com/english/advisories/2007/0463Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/32178Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2007-0671US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2007-0671?
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.
How severe is CVE-2007-0671?
CVE-2007-0671 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 42.14% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2007-0671?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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