Known Exploited Vulnerability: CVE-2009-3129

Microsoft Excel Featheader Record Memory Corruption Vulnerability

Catalog version: 2026.06.25 Date added: 2022-03-03 Due date: 2022-03-24 CISA catalog

Vendor: Microsoft

Product: Excel

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: Unknown

Notes: https://nvd.nist.gov/vuln/detail/CVE-2009-3129

CWEs

cvelogic Threat Intelligence