{"cve":"CVE-2008-3477","nvd":{"published":"2008-10-15T00:12:15.880","modified":"2026-06-16T22:55:53.953","status":"Modified","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.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=746","http://marc.info/?l=bugtraq&m=122479227205998&w=2","http://secunia.com/advisories/32211","http://www.securityfocus.com/bid/31702","http://www.securitytracker.com/id?1021044"],"products":["microsoft:internet_explorer"],"source":"nvd","synced_at":"2026-10-19T19:52:44.811608366+00:00"},"epss":{"cve":"CVE-2008-3477","score":0.35685,"percentile":0.9846,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}