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 57× in last 7d / 241× 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 880 total refreshes for this CVE.

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

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 ↗

Related CVEs(same CWE)

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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2012-4792

Explore →

Is Your Infrastructure Affected by CVE-2012-4792?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs