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CVE-2008-4266

9.3 · HIGH

Array index vulnerability in Microsoft Office Excel 2000 SP3, 2002 SP3, and 2003 SP3; Excel Viewer 2003 Gold and SP3; Office 2004 and 2008 for Mac; and Open XML File Format Converter for Mac allow…

Published Dec 10, 2008microsoftCWE-399EPSS 27.58%

Overview

CVE-2008-4266 is a high-severity vulnerability affecting microsoft excel. It was published on December 10, 2008 and has a CVSS 2.0 base score of 9.3 (HIGH).

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Array index vulnerability in Microsoft Office Excel 2000 SP3, 2002 SP3, and 2003 SP3; Excel Viewer 2003 Gold and SP3; Office 2004 and 2008 for Mac; and Open XML File Format Converter for Mac allow remote attackers to execute arbitrary code via an Excel spreadsheet with a NAME record that contains an invalid index value, which triggers stack corruption, aka "Excel Global Array Memory Corruption Vulnerability."

Remediation

Check the references section for vendor advisories and patches from microsoft. Update excel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refsecunia.com/secunia_research/2008-36/Refwww.securityfocus.com/archive/1/499055/100/0/threadedRefwww.securitytracker.com/id?1021368Refwww.us-cert.gov/cas/techalerts/TA08-344A.htmlRefwww.vupen.com/english/advisories/2008/3386Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-074Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5808Refsecunia.com/secunia_research/2008-36/Refwww.securityfocus.com/archive/1/499055/100/0/threadedRefwww.securitytracker.com/id?1021368

How CyberStrike helps

Frequently asked questions

What is CVE-2008-4266?

CVE-2008-4266 is a high-severity vulnerability affecting microsoft excel. It was published on December 10, 2008 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2008-4266?

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2008-4266?

Check the references section for vendor advisories and patches from microsoft. Update excel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2008-4266?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-4266 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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