What’s Vulnerable › Vulnerabilities

CVE-2013-3154

• Severity: medium (CVSS 6.9 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-07-10 · updated 2026-06-16
• Weakness: CWE-264

Description

The signature-update functionality in Windows Defender on Microsoft Windows 7 and Windows Server 2008 R2 relies on an incorrect pathname, which allows local users to gain privileges via a Trojan horse application in the %SYSTEMDRIVE% top-level directory, aka "Microsoft Windows 7 Defender Improper Pathname Vulnerability."

Affected products

• Microsoft Windows 7: all versions
• Microsoft Windows Defender: all versions
• Microsoft Windows Server 2008: all versions

References

• http://blogs.technet.com/b/srd/archive/2013/07/09/assessing-risk-for-the-july-2013-security-updates.aspx
• http://www.us-cert.gov/ncas/alerts/TA13-190A
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-058
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17253
• http://blogs.technet.com/b/srd/archive/2013/07/09/assessing-risk-for-the-july-2013-security-updates.aspx
• http://www.us-cert.gov/ncas/alerts/TA13-190A
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-058
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17253

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