CVE-2013-7331

MEDIUMNVD 6.59.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-05-25), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 6.5 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
6.5
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 58%CVSS: 6.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
6.5
EG Score
9.0(high)
EPSS
99.0%
KEV
⚠ Exploited

Published

February 26, 2014

Last Modified

April 22, 2026

Advisory Details (3)

Auto-updated May 20, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet. Sources: cert.
generic

Microsoft Security Bulletin MS14-052 - Critical | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-052
generic
http://www.securitytracker.com/id/1030818
cert🔴 Active Exploitation

VU#539289 - Microsoft XMLDOM ActiveX control information disclosure vulnerability

http://www.kb.cert.org/vuls/id/539289

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 62× in last 7d / 229× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 439 total refreshes for this CVE.

  1. 2026-07-22 14:04 UTCEPSS rescore
  2. 2026-07-22 13:07 UTCGHSA enrichment
  3. 2026-07-22 09:17 UTCGHSA enrichment
  4. 2026-07-22 05:27 UTCGHSA enrichment
  5. 2026-07-22 01:25 UTCGHSA enrichment
  6. 2026-07-21 18:12 UTCEG score recompute
  7. 2026-07-21 18:12 UTCGHSA enrichment
  8. 2026-07-21 15:21 UTCEPSS rescore
  9. 2026-07-21 15:21 UTCEPSS rescore
  10. 2026-07-21 14:37 UTCCISA KEV update
  11. 2026-07-21 14:22 UTCGHSA enrichment
  12. 2026-07-21 10:31 UTCGHSA enrichment
  13. 2026-07-21 06:41 UTCGHSA enrichment
  14. 2026-07-21 02:50 UTCGHSA enrichment
  15. 2026-07-20 22:59 UTCGHSA enrichment
  16. 2026-07-20 19:09 UTCEG score recompute
  17. 2026-07-20 19:09 UTCGHSA enrichment
  18. 2026-07-20 17:03 UTCEPSS rescore
  19. 2026-07-20 17:03 UTCEPSS rescore
  20. 2026-07-20 15:19 UTCGHSA enrichment
  21. 2026-07-20 11:29 UTCGHSA enrichment
  22. 2026-07-20 07:39 UTCGHSA enrichment
  23. 2026-07-20 03:49 UTCGHSA enrichment
  24. 2026-07-19 23:59 UTCGHSA enrichment
  25. 2026-07-19 20:09 UTCGHSA enrichment
Show 75 more
  1. 2026-07-19 16:17 UTCEG score recompute
  2. 2026-07-19 16:17 UTCGHSA enrichment
  3. 2026-07-19 14:27 UTCEPSS rescore
  4. 2026-07-19 14:27 UTCEPSS rescore
  5. 2026-07-19 12:21 UTCGHSA enrichment
  6. 2026-07-19 08:31 UTCGHSA enrichment
  7. 2026-07-19 04:41 UTCEG score recompute
  8. 2026-07-19 04:41 UTCGHSA enrichment
  9. 2026-07-19 02:25 UTCEPSS rescore
  10. 2026-07-19 00:50 UTCGHSA enrichment
  11. 2026-07-18 20:59 UTCGHSA enrichment
  12. 2026-07-18 17:09 UTCGHSA enrichment
  13. 2026-07-18 13:19 UTCEG score recompute
  14. 2026-07-18 13:19 UTCGHSA enrichment
  15. 2026-07-18 10:00 UTCEPSS rescore
  16. 2026-07-18 09:29 UTCGHSA enrichment
  17. 2026-07-18 05:38 UTCGHSA enrichment
  18. 2026-07-18 01:48 UTCGHSA enrichment
  19. 2026-07-17 21:58 UTCGHSA enrichment
  20. 2026-07-17 18:08 UTCGHSA enrichment
  21. 2026-07-17 14:18 UTCGHSA enrichment
  22. 2026-07-17 10:28 UTCEG score recompute
  23. 2026-07-17 10:28 UTCGHSA enrichment
  24. 2026-07-17 06:38 UTCGHSA enrichment
  25. 2026-07-17 02:47 UTCGHSA enrichment
  26. 2026-07-16 22:57 UTCGHSA enrichment
  27. 2026-07-16 19:07 UTCGHSA enrichment
  28. 2026-07-16 17:04 UTCCISA KEV update
  29. 2026-07-16 15:14 UTCGHSA enrichment
  30. 2026-07-16 11:22 UTCGHSA enrichment
  31. 2026-07-16 07:32 UTCGHSA enrichment
  32. 2026-07-16 03:42 UTCGHSA enrichment
  33. 2026-07-15 23:52 UTCGHSA enrichment
  34. 2026-07-15 20:02 UTCGHSA enrichment
  35. 2026-07-15 16:54 UTCEPSS rescore
  36. 2026-07-15 16:54 UTCEPSS rescore
  37. 2026-07-15 16:49 UTCCISA KEV update
  38. 2026-07-15 16:12 UTCGHSA enrichment
  39. 2026-07-15 15:04 UTCCISA KEV update
  40. 2026-07-15 12:22 UTCGHSA enrichment
  41. 2026-07-15 08:30 UTCGHSA enrichment
  42. 2026-07-15 04:40 UTCGHSA enrichment
  43. 2026-07-15 00:47 UTCGHSA enrichment
  44. 2026-07-14 20:56 UTCGHSA enrichment
  45. 2026-07-14 18:05 UTCCISA KEV update
  46. 2026-07-14 17:06 UTCGHSA enrichment
  47. 2026-07-14 13:16 UTCGHSA enrichment
  48. 2026-07-14 09:25 UTCGHSA enrichment
  49. 2026-07-14 05:36 UTCGHSA enrichment
  50. 2026-07-14 01:44 UTCGHSA enrichment
  51. 2026-07-13 22:26 UTCEPSS rescore
  52. 2026-07-13 21:55 UTCGHSA enrichment
  53. 2026-07-13 18:04 UTCGHSA enrichment
  54. 2026-07-13 17:07 UTCCISA KEV update
  55. 2026-07-13 14:12 UTCGHSA enrichment
  56. 2026-07-13 10:22 UTCGHSA enrichment
  57. 2026-07-13 06:32 UTCGHSA enrichment
  58. 2026-07-13 06:08 UTCEPSS rescore
  59. 2026-07-13 02:41 UTCGHSA enrichment
  60. 2026-07-12 22:50 UTCGHSA enrichment
  61. 2026-07-12 19:00 UTCGHSA enrichment
  62. 2026-07-12 15:10 UTCGHSA enrichment
  63. 2026-07-12 11:18 UTCGHSA enrichment
  64. 2026-07-12 07:27 UTCGHSA enrichment
  65. 2026-07-12 05:42 UTCEPSS rescore
  66. 2026-07-12 03:36 UTCGHSA enrichment
  67. 2026-07-11 23:44 UTCGHSA enrichment
  68. 2026-07-11 19:54 UTCGHSA enrichment
  69. 2026-07-11 16:04 UTCGHSA enrichment
  70. 2026-07-11 12:14 UTCGHSA enrichment
  71. 2026-07-11 08:23 UTCGHSA enrichment
  72. 2026-07-11 04:32 UTCGHSA enrichment
  73. 2026-07-11 00:42 UTCGHSA enrichment
  74. 2026-07-10 20:50 UTCGHSA enrichment
  75. 2026-07-10 17:52 UTCCISA KEV update

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Metasploit module). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Metasploitauxiliary/gather/ms14_052_xmldom✓ verified
    First seen Sep 9, 2014

    MS14-052 Microsoft Internet Explorer XMLDOM Filename Disclosure

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2013-7331?
CVE-2013-7331 is a medium vulnerability published on February 26, 2014. 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…
When was CVE-2013-7331 disclosed?
CVE-2013-7331 was first published in the National Vulnerability Database on February 26, 2014, with the most recent update on April 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2013-7331 actively exploited?
Yes. CISA added CVE-2013-7331 to the Known Exploited Vulnerabilities catalog on May 25, 2022, affecting Microsoft Internet Explorer. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2013-7331?
CVE-2013-7331 has a CVSS v3 base score of 6.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2013-7331?
CVE-2013-7331 affects Microsoft Internet Explorer. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2013-7331?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2013-7331, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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