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CVE-2007-1239

4.3 · MEDIUM

Microsoft Excel 2003 does not properly parse .XLS files, which allows remote attackers to cause a denial of service (application crash) via a file with a (1) corrupted XML format or a (2) corrupted…

Published Mar 3, 2007microsoftEPSS 12.18%

Overview

CVE-2007-1239 is a medium-severity vulnerability affecting microsoft excel. It was published on March 3, 2007 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Microsoft Excel 2003 does not properly parse .XLS files, which allows remote attackers to cause a denial of service (application crash) via a file with a (1) corrupted XML format or a (2) corrupted XLS format, which triggers a NULL pointer dereference.

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

Refsecurityvulns.com/news/Microsoft/Excel/XML/DoS.htmlRefwww.securityfocus.com/archive/1/461373/100/0/threadedRefwww.securityfocus.com/bid/22717Refsecurityvulns.com/news/Microsoft/Excel/XML/DoS.htmlRefwww.securityfocus.com/archive/1/461373/100/0/threadedRefwww.securityfocus.com/bid/22717

How CyberStrike helps

Frequently asked questions

What is CVE-2007-1239?

CVE-2007-1239 is a medium-severity vulnerability affecting microsoft excel. It was published on March 3, 2007 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2007-1239?

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2007-1239?

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-2007-1239?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-1239 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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