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CVE-2011-1278

9.3 · HIGH

Microsoft Excel 2002 SP3 and Office 2004 for Mac do not properly validate record information during parsing of Excel spreadsheets, which allows remote attackers to execute arbitrary code or cause a…

Published Jun 16, 2011microsoftCWE-119EPSS 16.97%

Overview

CVE-2011-1278 is a high-severity vulnerability affecting microsoft excel. It was published on June 16, 2011 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

Microsoft Excel 2002 SP3 and Office 2004 for Mac do not properly validate record information during parsing of Excel spreadsheets, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted spreadsheet, aka "Excel WriteAV 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

Refwww.securityfocus.com/bid/48163Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-045Refexchange.xforce.ibmcloud.com/vulnerabilities/67716Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12687Refwww.securityfocus.com/bid/48163Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-045Refexchange.xforce.ibmcloud.com/vulnerabilities/67716Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12687

How CyberStrike helps

Frequently asked questions

What is CVE-2011-1278?

CVE-2011-1278 is a high-severity vulnerability affecting microsoft excel. It was published on June 16, 2011 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2011-1278?

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-2011-1278?

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-2011-1278?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1278 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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