CVE-2012-4792

CRITICALNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2024-07-23), 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
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 79%CVSS: 8.8Exploit: cisa kev · ssvc active · Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed: 0

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

Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to an object that (1) was not properly allocated or (2) is deleted, as demonstrated by a CDwnBindInfo object, and exploited in the wild in December 2012.

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 PROB
79%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

December 30, 2012

Last Modified

April 22, 2026

Advisory Details (4)

Auto-updated May 2, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet. Sources: cert.
cert🔴 Active Exploitation

VU#154201 - Microsoft Internet Explorer CButton use-after-free vulnerability

http://www.kb.cert.org/vuls/id/154201
generic

Packet Storm

http://packetstormsecurity.com/files/119168/Microsoft-Internet-Explorer-CDwnBindInfo-Object-Use-After-Free.html
generic

Archived MSDN and TechNet Blogs | Microsoft Learn

http://blogs.technet.com/b/srd/archive/2012/12/31/microsoft-quot-fix-it-quot-available-for-internet-explorer-6-7-and-8.aspx
generic

Archived MSDN and TechNet Blogs | Microsoft Learn

http://blogs.technet.com/b/srd/archive/2012/12/29/new-vulnerability-affecting-internet-explorer-8-users.aspx

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 58× in last 7d / 235× 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 685 total refreshes for this CVE.

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

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-23785✓ verified
    First seen Jan 2, 2013

    Microsoft Internet Explorer - CButton Object Use-After-Free (Metasploit)

    Open source ↗
  • Exploit-DBEDB-23754✓ verified
    First seen Dec 31, 2012

    Microsoft Internet Explorer - CDwnBindInfo Object Use-After-Free (Metasploit)

    Open source ↗
  • Metasploitexploit/windows/browser/ie_cbutton_uaf✓ verified
    First seen Dec 27, 2012

    MS13-008 Microsoft Internet Explorer CButton Object Use-After-Free Vulnerability

    Open source ↗

Frequently asked(6)

What is CVE-2012-4792?
CVE-2012-4792 is a critical vulnerability published on December 30, 2012. Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to an object that (1) was not properly allocated or (2) is deleted, as demonstrated by a CDwnBindInfo object, and exploited in the…
When was CVE-2012-4792 disclosed?
CVE-2012-4792 was first published in the National Vulnerability Database on December 30, 2012, 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-2012-4792 actively exploited?
Yes. CISA added CVE-2012-4792 to the Known Exploited Vulnerabilities catalog on July 23, 2024, 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-2012-4792?
CVE-2012-4792 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-2012-4792?
CVE-2012-4792 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-2012-4792?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-4792, 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.

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