CVE-2006-3059Excel Vulnerability
Unspecified vulnerability in Microsoft Excel 2000 through 2004 allows remote user-assisted attackers to execute arbitrary code via unspecified vectors.
Published Jun 17, 2006 · Updated Apr 15, 2026
Key Facts
Patch immediately- CVE-2006-3059 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Excel (Microsoft), Excel Viewer (Microsoft).
- It is exploited in the wild, listed in Industry KEV feed since Jul 11, 2006. Public exploit code is available.
- EPSS estimates a 41% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v2
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
41%
Higher than 98.6% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
44/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Jul 11, 2006
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
1
Reports of active use
Advisories And Exploit References
- advisory20686
- advisoryADV-2006-2361
- advisoryADV-2006-2755
Description
Unspecified vulnerability in Microsoft Excel 2000 through 2004 allows remote user-assisted attackers to execute arbitrary code via unspecified vectors. NOTE: this is a different vulnerability than CVE-2006-3086.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jul 11, 2006 | n/a | Not reported |
Affected Products
12 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ExcelMicrosoft | 2000, 2000-sp2, 2000-sp3, 2000-sr1, 2002, 2002-sp1, 2002-sp2, 2002-sp3 | n/a |
| Excel ViewerMicrosoft | 2003 | n/a |
Timeline
Publicly disclosed
Jun 17, 2006
Added to Industry KEV feed
Jul 11, 2006
Last updated
Apr 15, 2026
References
- advisory20686
- advisoryADV-2006-2361
- advisoryADV-2006-2755
- exploitVulnCheck exploitation report
- exploitExploitDB-1944
FAQ
Common Questions.
Unspecified vulnerability in Microsoft Excel 2000 through 2004 allows remote user-assisted attackers to execute arbitrary code via unspecified vectors.
Affected: Excel (Microsoft) versions 2000, 2000-sp2, 2000-sp3, 2000-sr1, 2002, 2002-sp1, 2002-sp2, 2002-sp3; Excel Viewer (Microsoft) versions 2003. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Jul 11, 2006.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2006-3059 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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