CVE-2007-0671

Exp

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.

Published: 2007-02-03 Last update: 2026-04-22 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-0671 is rated Critical Active Threat (91.3/100): CVSS High severity, with high exploitation likelihood (EPSS 52.33%, 98th percentile). CISA KEV confirms active exploitation (added 2025-08-12) affecting Microsoft / Office. Unauthenticated remote administrative access may be possible. The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2007-0671

Name: Microsoft Office Excel Remote Code Execution Vulnerability · CISA KEV detail

Exploit added: 2025-08-12

Action due: 2025-09-02

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.

Exploit prediction scoring system (EPSS) score for CVE-2007-0671

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-31 55.49% 52.33% -3.16%
2 2026-04-23 66.80% 55.49% -11.32%
3 2026-03-05 — 66.80% —

Full EPSS history (25 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-0671

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2007-0671

OS Trackers for CVE-2007-0671

vendor priority summary link
alpine — CVE-2007-0671: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2007-0671

Affected software / configurations for CVE-2007-0671

Vendor Product Version Raw CPE
microsoft access 2000 cpe:2.3:a:microsoft:access:2000:*:*:*:*:*:*:*
microsoft access 2002 cpe:2.3:a:microsoft:access:2002:*:*:*:*:*:*:*
microsoft access 2003 cpe:2.3:a:microsoft:access:2003:*:*:*:*:*:*:*
microsoft excel 2000 cpe:2.3:a:microsoft:excel:2000:*:*:*:*:*:*:*
microsoft excel 2002 cpe:2.3:a:microsoft:excel:2002:*:*:*:*:*:*:*
microsoft excel 2003 cpe:2.3:a:microsoft:excel:2003:*:*:*:*:*:*:*
microsoft excel_viewer 2003 cpe:2.3:a:microsoft:excel_viewer:2003:*:*:*:*:*:*:*
microsoft frontpage 2000 cpe:2.3:a:microsoft:frontpage:2000:*:*:*:*:*:*:*
microsoft frontpage 2002 cpe:2.3:a:microsoft:frontpage:2002:*:*:*:*:*:*:*
microsoft frontpage 2003 cpe:2.3:a:microsoft:frontpage:2003:*:*:*:*:*:*:*
microsoft infopath 2003 cpe:2.3:a:microsoft:infopath:2003:*:*:*:*:*:*:*
microsoft office 2000 cpe:2.3:a:microsoft:office:2000:sp3:*:*:*:*:*:*
microsoft office 2003 cpe:2.3:a:microsoft:office:2003:sp2:*:*:*:*:*:*
microsoft office 2004 cpe:2.3:a:microsoft:office:2004:*:*:*:*:macos:*:*
microsoft office xp cpe:2.3:a:microsoft:office:xp:sp3:*:*:*:*:*:*
microsoft onenote 2003 cpe:2.3:a:microsoft:onenote:2003:*:*:*:*:*:*:*
microsoft outlook 2000 cpe:2.3:a:microsoft:outlook:2000:*:*:*:*:*:*:*
microsoft outlook 2002 cpe:2.3:a:microsoft:outlook:2002:*:*:*:*:*:*:*
microsoft outlook 2003 cpe:2.3:a:microsoft:outlook:2003:*:*:*:*:*:*:*
microsoft powerpoint 2000 cpe:2.3:a:microsoft:powerpoint:2000:*:*:*:*:*:*:*
microsoft powerpoint 2002 cpe:2.3:a:microsoft:powerpoint:2002:*:*:*:*:*:*:*
microsoft powerpoint 2003 cpe:2.3:a:microsoft:powerpoint:2003:*:*:*:*:*:*:*
microsoft project 2000 cpe:2.3:a:microsoft:project:2000:sr1:*:*:*:*:*:*
microsoft project 2002 cpe:2.3:a:microsoft:project:2002:sp1:*:*:*:*:*:*
microsoft project 2003 cpe:2.3:a:microsoft:project:2003:*:*:*:*:*:*:*
microsoft publisher 2000 cpe:2.3:a:microsoft:publisher:2000:*:*:*:*:*:*:*
microsoft publisher 2002 cpe:2.3:a:microsoft:publisher:2002:*:*:*:*:*:*:*
microsoft publisher 2003 cpe:2.3:a:microsoft:publisher:2003:*:*:*:*:*:*:*
microsoft visio 2002 cpe:2.3:a:microsoft:visio:2002:sp2:*:*:*:*:*:*
microsoft visio 2003 cpe:2.3:a:microsoft:visio:2003:*:*:*:*:*:*:*
microsoft word 2000 cpe:2.3:a:microsoft:word:2000:*:*:*:*:*:*:*
microsoft word 2002 cpe:2.3:a:microsoft:word:2002:*:*:*:*:*:*:*
microsoft word 2003 cpe:2.3:a:microsoft:word:2003:*:*:*:*:*:*:*
microsoft word_viewer 2003 cpe:2.3:a:microsoft:word_viewer:2003:*:*:*:*:*:*:*

References for CVE-2007-0671

URL Tags
http://osvdb.org/31901 Broken Link
http://secunia.com/advisories/24008 Vendor Advisory Broken Link
http://securitytracker.com/id?1017584 Broken Link
http://vil.nai.com/vil/content/v_141393.htm Broken Link
http://www.avertlabs.com/research/blog/?p=191 Broken Link
http://www.kb.cert.org/vuls/id/613740 US Government Resource
http://www.microsoft.com/technet/security/advisory/932553.mspx Vendor Advisory Broken Link
http://www.securityfocus.com/bid/22383 Broken Link
http://www.us-cert.gov/cas/techalerts/TA07-044A.html US Government Resource Broken Link
http://www.vupen.com/english/advisories/2007/0463 Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-015 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/32178 Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A301 Broken Link
https://learn.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-015 Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2007-0671 US Government Resource
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