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⚠️ CISA Known Exploited Vulnerability

Active Threat

This vulnerability is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog. Active exploitation has been observed in the wild. This poses significant risk to federal enterprises and should be prioritized for immediate patching.

CVE-2007-0671

High CISA KEV
Low Medium High Critical
8.8
CVSS Score
Published: Feb 03, 2007
Last Modified: Apr 22, 2026

Vulnerability 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.

CVSS Metrics

Common Vulnerability Scoring System

Vector String:

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
N
Attack Complexity
L
Privileges Required
N
User Interaction
R
Scope
U
Confidentiality
H
Integrity
H
Availability
H

Known Affected Software

34 configuration(s) from 1 vendor(s)

excel
Version:
2002
CPE:
cpe:2.3:a:microsoft:excel:2002:gold:*:*:*:*:*:*
powerpoint
Version:
2000
CPE:
cpe:2.3:a:microsoft:powerpoint:2000:*:*:zh:*:*:*:*
excel
Version:
2000
CPE:
cpe:2.3:a:microsoft:excel:2000:gold:*:*:*:*:*:*
word
Version:
2003
CPE:
cpe:2.3:a:microsoft:word:2003:sp3:*:*:*:*:*:*
excel
Version:
2003
CPE:
cpe:2.3:a:microsoft:excel:2003:sp3:*:*:*:*:*:*
word
Version:
2002
CPE:
cpe:2.3:a:microsoft:word:2002:sp1:*:*:*:*:*:*
publisher
Version:
2000
CPE:
cpe:2.3:a:microsoft:publisher:2000:*:*:*:*:*:*:*
powerpoint
Version:
2003
CPE:
cpe:2.3:a:microsoft:powerpoint:2003:sp1:*:*:*:*:*:*
access
Version:
2003
CPE:
cpe:2.3:a:microsoft:access:2003:sp1:*:*:*:*:*:*
office
Version:
2004
CPE:
cpe:2.3:a:microsoft:office:2004:*:*:*:*:macos:*:*
frontpage
Version:
2002
CPE:
cpe:2.3:a:microsoft:frontpage:2002:*:*:*:*:*:*:*
project
Version:
2002
CPE:
cpe:2.3:a:microsoft:project:2002:sp1:*:*:*:*:*:*
project
Version:
2000
CPE:
cpe:2.3:a:microsoft:project:2000:sr1:*:*:*:*:*:*
project
Version:
2003
CPE:
cpe:2.3:a:microsoft:project:2003:sp3:*:*:*:*:*:*
publisher
Version:
2003
CPE:
cpe:2.3:a:microsoft:publisher:2003:sp3:*:*:*:*:*:*
outlook
Version:
2002
CPE:
cpe:2.3:a:microsoft:outlook:2002:sp1:*:*:*:*:*:*
onenote
Version:
2003
CPE:
cpe:2.3:a:microsoft:onenote:2003:*:*:*:*:*:*:*
outlook
Version:
2000
CPE:
cpe:2.3:a:microsoft:outlook:2000:sp4:*:*:*:*:*:*
frontpage
Version:
2003
CPE:
cpe:2.3:a:microsoft:frontpage:2003:sp3:*:*:*:*:*:*
visio
Version:
2003
CPE:
cpe:2.3:a:microsoft:visio:2003:*:*:*:professional:*:*:*
office
Version:
2003
CPE:
cpe:2.3:a:microsoft:office:2003:sp2:*:pt:*:*:*:*
excel_viewer
Version:
2003
CPE:
cpe:2.3:a:microsoft:excel_viewer:2003:-:*:*:*:*:*:*
word
Version:
2000
CPE:
cpe:2.3:a:microsoft:word:2000:*:*:zh:*:*:*:*
word_viewer
Version:
2003
CPE:
cpe:2.3:a:microsoft:word_viewer:2003:*:*:*:*:*:*:*
publisher
Version:
2002
CPE:
cpe:2.3:a:microsoft:publisher:2002:sp3:*:*:*:*:*:*
access
Version:
2000
CPE:
cpe:2.3:a:microsoft:access:2000:sr1:*:*:*:*:*:*
office
Version:
2000
CPE:
cpe:2.3:a:microsoft:office:2000:*:*:zh:*:*:*:*
office
Version:
xp
CPE:
cpe:2.3:a:microsoft:office:xp:sp1:*:*:*:*:*:*
visio
Version:
2002
CPE:
cpe:2.3:a:microsoft:visio:2002:*:*:*:professional:*:*:*
access
Version:
2002
CPE:
cpe:2.3:a:microsoft:access:2002:sp1:*:*:*:*:*:*
powerpoint
Version:
2002
CPE:
cpe:2.3:a:microsoft:powerpoint:2002:sp1:*:*:*:*:*:*
infopath
Version:
2003
CPE:
cpe:2.3:a:microsoft:infopath:2003:*:*:*:*:*:*:*
outlook
Version:
2003
CPE:
cpe:2.3:a:microsoft:outlook:2003:sp3:*:*:*:*:*:*
frontpage
Version:
2000
CPE:
cpe:2.3:a:microsoft:frontpage:2000:*:*:*:*:*:*:*
This vulnerability affects 34 software configuration(s). Ensure you patch all affected systems.

References & Resources

Severity Details

8.8
out of 10.0
High

CISA KEV Status

Active Exploitation

Listed in CISA's Known Exploited Vulnerabilities catalog

Weakness Type (CWE)

NVD-CWE-noinfo

Key Information

Published Date
February 03, 2007