CVE-2007-0671

CVE-2007-0671 is a high-severity vulnerability in Microsoft Access with a CVSS 3.x base score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-08-12).

Key facts

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.

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 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2007-0671 being actively exploited?
Yes. CVE-2007-0671 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-08-12, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2007-0671?
CVE-2007-0671 primarily affects Microsoft Access. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-0671?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2007-0671 have an EU (EUVD) identifier?
Yes. CVE-2007-0671 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2007-0668. It is also flagged as exploited in the EUVD (since 2025-08-12).
When was CVE-2007-0671 published?
CVE-2007-0671 was published on 2007-02-03 and last updated on 2026-06-16.

References

Affected products (34)

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