CVE-2012-4969

HIGHNVD 8.19.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-06-08), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.1 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
8.1
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 82%CVSS: 8.1Exploit: 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 the CMshtmlEd::Exec function in mshtml.dll in Microsoft Internet Explorer 6 through 9 allows remote attackers to execute arbitrary code via a crafted web site, as exploited in the wild in September 2012.

CVSS v3
8.1
EG Score
9.0(high)
EPSS
99.6%
KEV
⚠ Exploited

Published

September 18, 2012

Last Modified

April 21, 2026

Advisory Details (3)

Auto-updated May 19, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet. Sources: cert.
generic🔴 Active Exploitation

New Internet Explorer Zero-Day Being Exploited in the Wild - SecurityWeek

http://www.securityweek.com/new-internet-explorer-zero-day-being-exploited-wild
generic
http://www.securitytracker.com/id?1027538
cert🔴 Active Exploitation

VU#480095 - Microsoft Internet Explorer 6/7/8/9 contain a use-after-free vulnerability

http://www.kb.cert.org/vuls/id/480095

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 94× in last 7d / 401× 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 537 total refreshes for this CVE.

  1. 2026-07-07 17:32 UTCEG score recompute
  2. 2026-07-07 17:31 UTCGHSA enrichment
  3. 2026-07-07 17:16 UTCCISA KEV update
  4. 2026-07-07 13:33 UTCEG score recompute
  5. 2026-07-07 13:33 UTCGHSA enrichment
  6. 2026-07-07 09:39 UTCEG score recompute
  7. 2026-07-07 09:39 UTCGHSA enrichment
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  15. 2026-07-06 17:58 UTCGHSA enrichment
  16. 2026-07-06 16:23 UTCEPSS rescore
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  18. 2026-07-06 14:03 UTCGHSA enrichment
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  20. 2026-07-06 10:07 UTCGHSA enrichment
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  22. 2026-07-06 06:10 UTCGHSA enrichment
  23. 2026-07-06 02:19 UTCEPSS rescore
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  25. 2026-07-06 02:09 UTCEG score recompute
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  1. 2026-07-06 02:09 UTCGHSA enrichment
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  3. 2026-07-05 22:14 UTCGHSA enrichment
  4. 2026-07-05 18:19 UTCEG score recompute
  5. 2026-07-05 18:19 UTCGHSA enrichment
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  7. 2026-07-05 14:24 UTCGHSA enrichment
  8. 2026-07-05 10:29 UTCEG score recompute
  9. 2026-07-05 10:29 UTCGHSA enrichment
  10. 2026-07-05 06:34 UTCEG score recompute
  11. 2026-07-05 06:34 UTCGHSA enrichment
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  13. 2026-07-05 02:37 UTCGHSA enrichment
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  15. 2026-07-04 22:43 UTCGHSA enrichment
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  17. 2026-07-04 18:48 UTCGHSA enrichment
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  19. 2026-07-04 14:53 UTCGHSA enrichment
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  21. 2026-07-04 10:59 UTCGHSA enrichment
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  23. 2026-07-04 07:03 UTCGHSA enrichment
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  25. 2026-07-04 03:06 UTCGHSA enrichment
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  27. 2026-07-03 23:10 UTCGHSA enrichment
  28. 2026-07-03 19:14 UTCEG score recompute
  29. 2026-07-03 19:13 UTCGHSA enrichment
  30. 2026-07-03 15:19 UTCEG score recompute
  31. 2026-07-03 15:19 UTCGHSA enrichment
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  37. 2026-07-03 03:30 UTCGHSA enrichment
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  39. 2026-07-02 23:35 UTCGHSA enrichment
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  41. 2026-07-02 19:40 UTCGHSA enrichment
  42. 2026-07-02 15:46 UTCEG score recompute
  43. 2026-07-02 15:46 UTCGHSA enrichment
  44. 2026-07-02 14:01 UTCEPSS rescore
  45. 2026-07-02 11:51 UTCEG score recompute
  46. 2026-07-02 11:51 UTCGHSA enrichment
  47. 2026-07-02 07:56 UTCEG score recompute
  48. 2026-07-02 07:56 UTCGHSA enrichment
  49. 2026-07-02 04:02 UTCEG score recompute
  50. 2026-07-02 04:01 UTCGHSA enrichment
  51. 2026-07-02 00:06 UTCEG score recompute
  52. 2026-07-02 00:06 UTCGHSA enrichment
  53. 2026-07-01 20:12 UTCEG score recompute
  54. 2026-07-01 20:11 UTCGHSA enrichment
  55. 2026-07-01 19:16 UTCCISA KEV update
  56. 2026-07-01 16:16 UTCEG score recompute
  57. 2026-07-01 16:16 UTCGHSA enrichment
  58. 2026-07-01 12:22 UTCEG score recompute
  59. 2026-07-01 12:22 UTCGHSA enrichment
  60. 2026-07-01 08:28 UTCEG score recompute
  61. 2026-07-01 08:28 UTCGHSA enrichment
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  63. 2026-07-01 04:33 UTCGHSA enrichment
  64. 2026-07-01 00:36 UTCEG score recompute
  65. 2026-07-01 00:36 UTCGHSA enrichment
  66. 2026-06-30 23:19 UTCEPSS rescore
  67. 2026-06-30 23:19 UTCEPSS rescore
  68. 2026-06-30 20:41 UTCEG score recompute
  69. 2026-06-30 20:41 UTCGHSA enrichment
  70. 2026-06-30 16:45 UTCEG score recompute
  71. 2026-06-30 16:45 UTCGHSA enrichment
  72. 2026-06-30 12:50 UTCEG score recompute
  73. 2026-06-30 12:50 UTCGHSA enrichment
  74. 2026-06-30 08:56 UTCEG score recompute
  75. 2026-06-30 08:56 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-21840✓ verified
    First seen Oct 10, 2012

    Microsoft Internet Explorer - execCommand Use-After-Free (MS12-063) (Metasploit)

    Open source ↗
  • Metasploitexploit/windows/browser/ie_execcommand_uaf✓ verified
    First seen Sep 14, 2012

    MS12-063 Microsoft Internet Explorer execCommand Use-After-Free Vulnerability

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2012-4969?
CVE-2012-4969 is a high vulnerability published on September 18, 2012. Use-after-free vulnerability in the CMshtmlEd::Exec function in mshtml.dll in Microsoft Internet Explorer 6 through 9 allows remote attackers to execute arbitrary code via a crafted web site, as exploited in the wild in September 2012.
When was CVE-2012-4969 disclosed?
CVE-2012-4969 was first published in the National Vulnerability Database on September 18, 2012, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-4969 actively exploited?
Yes. CISA added CVE-2012-4969 to the Known Exploited Vulnerabilities catalog on June 8, 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-2012-4969?
CVE-2012-4969 has a CVSS v3 base score of 8.1 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2012-4969?
CVE-2012-4969 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-2012-4969?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-4969, 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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