Microsoft · Internet Explorer
CVE-2013-7331
Microsoft Internet Explorer Information Disclosure Vulnerability
What it is
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.
CISA: An information disclosure vulnerability exists in Internet Explorer which allows resources loaded into memory to be queried. This vulnerability could allow an attacker to detect anti-malware applications.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: June 15, 2022
- Added to the CISA list
- May 25, 2022
- Published
- February 26, 2014
- Severity
- Medium 6.5 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 50% in the top 1.1% of all known vulnerabilities
- Weakness
- CWE-200
- More details
- NVD · CVE.org · CISA
All references (5)
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-052
- https://soroush.secproject.com/blog/2013/04/microsoft-xmldom-in-ie-can-divulge-information-of-local-drivenetw…
- http://www.securitytracker.com/id/1030818
- http://www.kb.cert.org/vuls/id/539289
- http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromises-us-veterans-o…
More exploited flaws from Microsoft
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| May 20, 2026 | Use-After-Free | Internet Explorer | High 8.8 | 92% |
| May 20, 2026 | Use-After-Free | Internet Explorer | High 8.8 | 82% |
| Oct 6, 2025 | Uninitialized Memory Corruption | Internet Explorer | High 8.1 | 97% |
| Aug 12, 2025 | Resource Management Errors | Internet Explorer | High 8.8 | 88% |
| Jul 23, 2024 | Use-After-Free | Internet Explorer | High 8.8 | 79% |
| Mar 30, 2023 | Memory Corruption | Internet Explorer | High 8.8 | 71% |
| Jun 8, 2022 | Use-After-Free | Internet Explorer | High 8.1 | 80% |
| May 25, 2022 | Privilege Escalation | Internet Explorer | High 8.8 | 26% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.