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Vulnerability record · CVE-2009-1134 · published 10 June 2009

CVE-2009-1134: Microsoft office code injection vulnerability

Microsoft · Office

Excel in 2007 Microsoft Office System SP1 and SP2; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a BIFF file with a malformed Qsir (0x806) record object, aka "Record Pointer Corruption Vulnerability."

9.3 CVSS 2.0 High EPSS 36% · top 1.6% CWE-94 · Code injection
9.3CVSS 2.0 base score
36%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
18References
16 Jun 2026Last modified by NVD

Description

Excel in 2007 Microsoft Office System SP1 and SP2; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a BIFF file with a malformed Qsir (0x806) record object, aka "Record Pointer Corruption Vulnerability."

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

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://osvdb.org/54958
http://www.securityfocus.com/archive/1/504213/100/0/threaded
http://www.securityfocus.com/bid/35246
http://www.securitytracker.com/id?1022351
http://www.us-cert.gov/cas/techalerts/TA09-160A.html US Government Resource
http://www.vupen.com/english/advisories/2009/1540
http://www.zerodayinitiative.com/advisories/ZDI-09-040/
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-021
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5922
http://osvdb.org/54958
http://www.securityfocus.com/archive/1/504213/100/0/threaded
http://www.securityfocus.com/bid/35246
http://www.securitytracker.com/id?1022351
http://www.us-cert.gov/cas/techalerts/TA09-160A.html US Government Resource
http://www.vupen.com/english/advisories/2009/1540
http://www.zerodayinitiative.com/advisories/ZDI-09-040/
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-021
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5922

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-1134), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.