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CVE-2015-6123

4.3 · MEDIUM

Cross-site scripting (XSS) vulnerability in Microsoft Excel for Mac 2011 and Excel 2016 for Mac allows remote attackers to inject arbitrary web script or HTML via a crafted e-mail message that is m…

Published Nov 11, 2015microsoftCWE-79EPSS 11.15%

Overview

CVE-2015-6123 is a medium-severity vulnerability affecting microsoft excel_for_mac. It was published on November 11, 2015 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

Cross-site scripting (XSS) vulnerability in Microsoft Excel for Mac 2011 and Excel 2016 for Mac allows remote attackers to inject arbitrary web script or HTML via a crafted e-mail message that is mishandled by Outlook for Mac, aka "Microsoft Outlook for Mac Spoofing Vulnerability."

Remediation

Check the references section for vendor advisories and patches from microsoft. Update excel_for_mac 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/77525Refwww.securitytracker.com/id/1034122Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-116Refwww.securityfocus.com/bid/77525Refwww.securitytracker.com/id/1034122Refdocs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-116

How CyberStrike helps

Frequently asked questions

What is CVE-2015-6123?

CVE-2015-6123 is a medium-severity vulnerability affecting microsoft excel_for_mac. It was published on November 11, 2015 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2015-6123?

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-2015-6123?

Check the references section for vendor advisories and patches from microsoft. Update excel_for_mac 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-2015-6123?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-6123 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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