CVE-2013-3918

HIGHNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2025-10-06), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 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
8.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 74%CVSS: 8.8Exploit: NoneExposed: 0

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

The InformationCardSigninHelper Class ActiveX control in icardie.dll in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds write) via a crafted web page that is accessed by Internet Explorer, as exploited in the wild in November 2013, aka "InformationCardSigninHelper Vulnerability."

CVSS v3
8.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
99.4%
KEV
⚠ Exploited

Published

November 12, 2013

Last Modified

April 22, 2026

Advisory Details (3)

Auto-updated May 2, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic

Archived MSDN and TechNet Blogs | Microsoft Learn

http://blogs.technet.com/b/msrc/archive/2013/11/11/activex-control-issue-being-addressed-in-update-tuesday.aspx
generic🔴 Active Exploitation

IE Zero-Day Vulnerability Exploiting msvcrt.dll - SANS ISC

https://isc.sans.edu/forums/diary/16985
generic

Microsoft Security Bulletin MS13-090 - Critical | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-090

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 69× in last 7d / 242× 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. 2026-07-23 01:10 UTCEG score recompute
  2. 2026-07-23 00:07 UTCEG score recompute
  3. 2026-07-23 00:07 UTCGHSA enrichment
  4. 2026-07-22 21:52 UTCEG score recompute
  5. 2026-07-22 20:21 UTCGHSA enrichment
  6. 2026-07-22 19:40 UTCCISA KEV update
  7. 2026-07-22 16:35 UTCEG score recompute
  8. 2026-07-22 16:35 UTCGHSA enrichment
  9. 2026-07-22 14:04 UTCEPSS rescore
  10. 2026-07-22 14:04 UTCEPSS rescore
  11. 2026-07-22 12:53 UTCGHSA enrichment
  12. 2026-07-22 09:11 UTCGHSA enrichment
  13. 2026-07-22 05:27 UTCGHSA enrichment
  14. 2026-07-22 01:27 UTCGHSA enrichment
  15. 2026-07-21 19:54 UTCGHSA enrichment
  16. 2026-07-21 16:05 UTCEG score recompute
  17. 2026-07-21 16:05 UTCGHSA enrichment
  18. 2026-07-21 15:21 UTCEPSS rescore
  19. 2026-07-21 14:37 UTCCISA KEV update
  20. 2026-07-21 12:24 UTCGHSA enrichment
  21. 2026-07-21 08:42 UTCGHSA enrichment
  22. 2026-07-21 04:59 UTCGHSA enrichment
  23. 2026-07-21 01:19 UTCGHSA enrichment
  24. 2026-07-20 21:38 UTCGHSA enrichment
  25. 2026-07-20 17:58 UTCEG score recompute
Show 75 more
  1. 2026-07-20 17:58 UTCGHSA enrichment
  2. 2026-07-20 17:03 UTCEPSS rescore
  3. 2026-07-20 17:03 UTCEPSS rescore
  4. 2026-07-20 14:17 UTCGHSA enrichment
  5. 2026-07-20 10:36 UTCGHSA enrichment
  6. 2026-07-20 06:54 UTCGHSA enrichment
  7. 2026-07-20 02:59 UTCGHSA enrichment
  8. 2026-07-19 23:18 UTCGHSA enrichment
  9. 2026-07-19 19:38 UTCGHSA enrichment
  10. 2026-07-19 15:58 UTCEG score recompute
  11. 2026-07-19 15:58 UTCGHSA enrichment
  12. 2026-07-19 14:27 UTCEPSS rescore
  13. 2026-07-19 14:27 UTCEPSS rescore
  14. 2026-07-19 12:18 UTCGHSA enrichment
  15. 2026-07-19 08:33 UTCGHSA enrichment
  16. 2026-07-19 04:52 UTCEG score recompute
  17. 2026-07-19 04:52 UTCGHSA enrichment
  18. 2026-07-19 02:25 UTCEPSS rescore
  19. 2026-07-19 02:25 UTCEPSS rescore
  20. 2026-07-19 01:11 UTCGHSA enrichment
  21. 2026-07-18 21:30 UTCGHSA enrichment
  22. 2026-07-18 17:49 UTCGHSA enrichment
  23. 2026-07-18 14:08 UTCGHSA enrichment
  24. 2026-07-18 10:27 UTCEG score recompute
  25. 2026-07-18 10:27 UTCGHSA enrichment
  26. 2026-07-18 10:00 UTCEPSS rescore
  27. 2026-07-18 06:46 UTCGHSA enrichment
  28. 2026-07-18 03:05 UTCGHSA enrichment
  29. 2026-07-17 23:24 UTCGHSA enrichment
  30. 2026-07-17 19:43 UTCGHSA enrichment
  31. 2026-07-17 16:03 UTCGHSA enrichment
  32. 2026-07-17 12:22 UTCGHSA enrichment
  33. 2026-07-17 08:41 UTCEG score recompute
  34. 2026-07-17 08:41 UTCGHSA enrichment
  35. 2026-07-17 05:01 UTCGHSA enrichment
  36. 2026-07-17 01:20 UTCGHSA enrichment
  37. 2026-07-16 21:40 UTCGHSA enrichment
  38. 2026-07-16 18:00 UTCGHSA enrichment
  39. 2026-07-16 17:04 UTCCISA KEV update
  40. 2026-07-16 16:58 UTCEPSS rescore
  41. 2026-07-16 14:19 UTCGHSA enrichment
  42. 2026-07-16 10:37 UTCGHSA enrichment
  43. 2026-07-16 06:53 UTCGHSA enrichment
  44. 2026-07-16 03:12 UTCGHSA enrichment
  45. 2026-07-15 23:31 UTCGHSA enrichment
  46. 2026-07-15 19:51 UTCGHSA enrichment
  47. 2026-07-15 16:54 UTCEPSS rescore
  48. 2026-07-15 16:54 UTCEPSS rescore
  49. 2026-07-15 16:49 UTCCISA KEV update
  50. 2026-07-15 16:10 UTCGHSA enrichment
  51. 2026-07-15 15:04 UTCCISA KEV update
  52. 2026-07-15 12:29 UTCGHSA enrichment
  53. 2026-07-15 08:47 UTCGHSA enrichment
  54. 2026-07-15 05:04 UTCGHSA enrichment
  55. 2026-07-15 01:22 UTCGHSA enrichment
  56. 2026-07-14 21:42 UTCGHSA enrichment
  57. 2026-07-14 18:05 UTCCISA KEV update
  58. 2026-07-14 18:01 UTCGHSA enrichment
  59. 2026-07-14 14:21 UTCGHSA enrichment
  60. 2026-07-14 10:39 UTCGHSA enrichment
  61. 2026-07-14 06:55 UTCGHSA enrichment
  62. 2026-07-14 03:14 UTCGHSA enrichment
  63. 2026-07-13 23:33 UTCGHSA enrichment
  64. 2026-07-13 22:26 UTCEPSS rescore
  65. 2026-07-13 19:52 UTCGHSA enrichment
  66. 2026-07-13 17:07 UTCCISA KEV update
  67. 2026-07-13 16:12 UTCGHSA enrichment
  68. 2026-07-13 12:31 UTCGHSA enrichment
  69. 2026-07-13 08:50 UTCGHSA enrichment
  70. 2026-07-13 05:10 UTCGHSA enrichment
  71. 2026-07-13 01:27 UTCGHSA enrichment
  72. 2026-07-12 21:46 UTCGHSA enrichment
  73. 2026-07-12 18:05 UTCGHSA enrichment
  74. 2026-07-12 14:23 UTCGHSA enrichment
  75. 2026-07-12 10:43 UTCGHSA enrichment

Publicly available exploits

(2 references)

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

  • Exploit-DBEDB-29857✓ verified
    First seen Nov 27, 2013

    Microsoft Internet Explorer - CardSpaceClaimCollection ActiveX Integer Underflow (MS13-090) (Metasploit)

    Open source ↗
  • Metasploitexploit/windows/browser/ms13_090_cardspacesigninhelper✓ verified
    First seen Nov 8, 2013

    MS13-090 CardSpaceClaimCollection ActiveX Integer Underflow

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2013-3918?
CVE-2013-3918 is a high vulnerability published on November 12, 2013. The InformationCardSigninHelper Class ActiveX control in icardie.dll in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote…
When was CVE-2013-3918 disclosed?
CVE-2013-3918 was first published in the National Vulnerability Database on November 12, 2013, 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-2013-3918 actively exploited?
Yes. CISA added CVE-2013-3918 to the Known Exploited Vulnerabilities catalog on October 6, 2025, affecting Microsoft Windows. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2013-3918?
CVE-2013-3918 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2013-3918?
CVE-2013-3918 affects Microsoft Windows. 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-2013-3918?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2013-3918, 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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