CVE-2009-1134

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."

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 61.98% Top 5%
Vendor Advisory microsoft.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/35246 vdb entry
http://www.securityfocus.com/archive/1/504213/100/0/threaded mailing list
http://www.vupen.com/english/advisories/2009/1540 vdb entry
http://www.securitytracker.com/id?1022351 vdb entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-021 vendor advisory
http://osvdb.org/54958 vdb entry
http://www.us-cert.gov/cas/techalerts/TA09-160A.html third party advisory us government resource
http://www.zerodayinitiative.com/advisories/ZDI-09-040/
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5922 vdb entry signature

Frequently Asked Questions

What is the severity of CVE-2009-1134?
CVE-2009-1134 has been scored as a critical severity vulnerability.
How to fix CVE-2009-1134?
To fix CVE-2009-1134, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-1134 being actively exploited in the wild?
It is possible that CVE-2009-1134 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~62% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.