CVE-2012-4792

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 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
8.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 79%CVSS: 8.8Exploit: NoneExposed: 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)
EPSS
99.5%
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 97× in last 7d / 423× 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 568 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2012-4792?
CVE-2012-4792 is a high 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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