CVE-2013-7331
The Microsoft.XMLDOM ActiveX control in Microsoft Windows 8.1 and earlier allows remote attackers to determine the existence of local pathnames, UNC share pathnames, intranet hostnames, and intranet IP addresses by examining error codes, as demonstrated by a res:// URL, and exploited in the wild in February 2014.
Key facts
- CVSS score
- 6.5 (v3.1)
- Severity
- MEDIUM
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L- Weakness (CWE)
- CWE-209
- EPSS score
- 50.2% (99th percentile)
- In CISA KEV
- Yes, added May 25, 2022
- In EU EUVD
- Yes (EUVD-2013-7105)
- Published
- February 26, 2014
- NVD last modified
- June 17, 2026
- Status
- Analyzed
CISA Known Exploited Vulnerability
Microsoft Internet Explorer Information Disclosure Vulnerability
Added to the KEV catalog on May 25, 2022; federal remediation due June 15, 2022.
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2013-7105 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 22, 2025.
View on the EU Vulnerability DatabaseAffected products
- microsoft / internet explorer
- microsoft / internet explorer
- microsoft / internet explorer
- microsoft / internet explorer
- microsoft / internet explorer
- microsoft / internet explorer
- microsoft / windows 7
- microsoft / windows 8
- microsoft / windows 8.1
- microsoft / windows rt
- microsoft / windows rt 8.1
- microsoft / windows server 2003
- microsoft / windows server 2008
- microsoft / windows server 2008
- microsoft / windows server 2008
- microsoft / windows server 2012
- microsoft / windows server 2012
- microsoft / windows vista
References
- http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-of-foreign-wars-website.html(Third Party Advisory)
- http://www.kb.cert.org/vuls/id/539289(Third Party Advisory, US Government Resource)
- http://www.securitytracker.com/id/1030818(Third Party Advisory, VDB Entry)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-052(Patch, Vendor Advisory)
- https://soroush.secproject.com/blog/2013/04/microsoft-xmldom-in-ie-can-divulge-information-of-local-drivenetwork-in-error-messages/(Exploit)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-7331(US Government Resource)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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