⚠ Actively exploited
Added to CISA KEV on 2022-03-03. Federal agencies required to patch by 2022-03-24. Required action: Apply updates per vendor instructions..
CVE-2009-3129 — Out-of-bounds Write in Microsoft Excel
Severity
7.8HIGHNVD
EPSS
91.2%
top 0.35%
CISA KEV
KEV
Added 2022-03-03
Due 2022-03-24
Exploit
Exploited in wild
Active exploitation observed
Affected products
Timeline
PublishedNov 11
KEV addedMar 3
KEV dueMar 24
Latest updateMay 2
CISA Required Action: Apply updates per vendor instructions.
Description
Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer 2003 SP3; Office Excel Viewer SP1 and SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allows remote attackers to execute arbitrary code via a spreadsheet with a FEATHEADER record containing an invalid cbHdrData size element that affects a pointer offset, aka "Excel Featheader Record Memory Corru…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages3 packages
Patches
🔴Vulnerability Details
3GHSA▶
GHSA-8325-hmcc-g9mq: Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Vi↗2022-05-02
CVEList▶
CVE-2009-3129: Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Vi↗2009-11-11