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WatchlistCritical

CVE-2008-0117Excel Vulnerability

Unspecified vulnerability in Microsoft Excel 2000 SP3 and 2002 SP2, and Office 2004 and 2008 for Mac, allows user-assisted remote attackers to execute arbitrary code via crafted conditional formatting values, aka "Excel Conditional Formatting Vulnerability."

Published Mar 11, 2008 · Updated Apr 22, 2026

Key Facts

Patch immediately
  • CVE-2008-0117 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Compatibility Pack Word Excel Powerpoint 2007 (Microsoft), Excel (Microsoft), Excel Viewer (Microsoft) and 1 more product.
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 33% 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 public exploit code exists for a high-severity flaw.

Scores

CVSS v2

9.3

AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS (30-day exploit likelihood)

33%

Higher than 98.3% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

37/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

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

0

Reports of active use

Advisories And Exploit References

Description

Unspecified vulnerability in Microsoft Excel 2000 SP3 and 2002 SP2, and Office 2004 and 2008 for Mac, allows user-assisted remote attackers to execute arbitrary code via crafted conditional formatting values, aka "Excel Conditional Formatting Vulnerability."

Affected Products

12 affected entries in total
ProductAffected versionsFixed in
Compatibility Pack Word Excel Powerpoint 2007MicrosoftSee advisoryn/a
ExcelMicrosoft2000-sp3, 2002-sp3, 2003-sp2, 2007n/a
Excel ViewerMicrosoft2003n/a
OfficeMicrosoft2000-sp3, 2003-sp2, 2004, 2007, 2008, xp-sp3n/a

Timeline

  1. Publicly disclosed

    Mar 11, 2008

  2. Last updated

    Apr 22, 2026

References

3 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2008-0117 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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Figures as of Oct 19, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

To report an error, contact Brandefense.