CVE-2013-3154

Name: CVE-2013-3154
Creator: NVD / NIST
Published: 2013-07-10T03:46:10.467+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.76%

Last modified Jun 16, 2026

CVE-2013-3154 is a vulnerability of currently unknown severity. 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.". EPSS estimates a 1.76% chance of exploitation in the next 30 days.

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."

Metrics

EPSS Probability

1.76%

75.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows Defender	All versions	—
Microsoft	Windows 7	All versions	—
Microsoft	Windows Server 2008	All versions	R2

References

http://blogs.technet.com/b/srd/archive/2013/07/09/assessing-risk-for-the-july-2013-security-updates.aspxVendor Advisory
http://www.us-cert.gov/ncas/alerts/TA13-190AThird Party Advisory, US Government Resource
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.aspxVendor Advisory
http://www.us-cert.gov/ncas/alerts/TA13-190AThird Party Advisory, US Government Resource
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

Timeline

Published: Jul 10, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-3154?

How severe is CVE-2013-3154?

Severity scoring for CVE-2013-3154 is pending analysis. The EPSS model estimates a 1.76% probability of exploitation in the next 30 days.

How do I fix CVE-2013-3154?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-3154?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST