CVE-2008-3477
Microsoft Excel 2000 SP3, 2002 SP3, and 2003 SP2 and SP3 does not properly validate data in the VBA Performance Cache when processing an…
- 9.3HighCVSS base score
- 35.7%Exploitation in 30 daysEPSS · top 1.5% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Microsoft Excel 2000 SP3, 2002 SP3, and 2003 SP2 and SP3 does not properly validate data in the VBA Performance Cache when processing an Office document with an embedded object, which allows remote attackers to execute arbitrary code via an Excel file containing a crafted value, leading to heap-based buffer overflows, integer overflows, array index errors, and memory corruption, aka "Calendar Object Validation Vulnerability."
Timeline
ID reserved
By microsoft
- 2 months later
· 2 months later
Published
- 16 years later
· 16 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 35.7% · top 1.5% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Affected products
n/a
- affected n/a
References
11
- 20081014 Microsoft Visual Basic for Applications - Multiple Vulnerabilities (opens in a new tab)third-party-advisoryx_refsource_IDEFENSEx_transferred
- SSRT080143 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
- 1021044 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- ADV-2008-2808 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- MS08-057 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- 31702 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- win-ms08kb956416-update(45581) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- TA08-288A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- excel-calendar-code-execution(45566) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- oval:org.mitre.oval:def:5870 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 32211 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2008-3463 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2008-3477)Record last updated .