CVE-2012-1876

NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 65%
CISA-KEV: Not listedEPSS: 65%CVSS: —Exploit: NoneExposed: 0

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

Microsoft Internet Explorer 6 through 9, and 10 Consumer Preview, does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by attempting to access a nonexistent object, leading to a heap-based buffer overflow, aka "Col Element Remote Code Execution Vulnerability," as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2012.

CVSS v3
—
EG Score
0.0(none)
EG Risk
0
EG Risk 0/100

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. It is distinct from the 0–10 EG Score, which measures severity.

EPSS
99.2%
KEV
Not listed

Published

June 12, 2012

Last Modified

April 29, 2026

References (14)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 27× 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.

  1. 2026-07-23 14:14 UTCEPSS rescore
  2. 2026-07-23 01:07 UTCEG score recompute▼ 5.70
  3. 2026-07-23 00:10 UTCEG score recompute▲ 5.70
  4. 2026-07-22 21:49 UTCEG score recompute▼ 9.00
  5. 2026-07-22 14:04 UTCEPSS rescore
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  1. 2026-06-25 13:46 UTCEPSS rescore
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  6. 2026-06-18 17:49 UTCEPSS rescore
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  13. 2026-06-12 23:08 UTCEPSS rescore
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  18. 2026-06-05 22:44 UTCEPSS rescore
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  20. 2026-06-05 06:08 UTCEPSS rescore
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  22. 2026-06-04 13:09 UTCEPSS rescore
  23. 2026-05-31 22:28 UTCEPSS rescore
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  25. 2026-05-31 00:14 UTCEPSS rescore
  26. 2026-05-31 00:14 UTCEPSS rescore
  27. 2026-05-29 04:21 UTCEG score recompute
  28. 2026-05-29 04:21 UTCGHSA enrichment
  29. 2026-05-28 13:42 UTCEPSS rescore
  30. 2026-05-28 13:42 UTCEPSS rescore
  31. 2026-05-27 13:38 UTCEPSS rescore
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  40. 2026-05-18 21:29 UTCEPSS rescore
  41. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(6 references)

Working exploit code is in the public domain (1 Metasploit module) (5 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-35273✓ verified
    First seen Nov 17, 2014

    Microsoft Internet Explorer 8 - Fixed Col Span ID (Full ASLR + DEP + EMET 5.1 Bypass) (MS12-037)

    Open source ↗
  • Exploit-DBEDB-34815✓ verified
    First seen Sep 29, 2014

    Microsoft Internet Explorer 8 - Fixed Col Span ID (Full ASLR + DEP + EMET 5.0 Bypass) (MS12-037)

    Open source ↗
  • Exploit-DBEDB-33944✓ verified
    First seen Jul 1, 2014

    Microsoft Internet Explorer 8 - Fixed Col Span ID (Full ASLR + DEP + EMET 4.1.x Bypass) (MS12-037)

    Open source ↗
  • Exploit-DBEDB-24017✓ verified
    First seen Jan 10, 2013

    Microsoft Internet Explorer 8 - Fixed Col Span ID (Full ASLR + DEP Bypass) (MS12-037)

    Open source ↗
  • Exploit-DBEDB-20174✓ verified
    First seen Aug 2, 2012

    Microsoft Internet Explorer - Fixed Table Col Span Heap Overflow (MS12-037) (Metasploit)

    Open source ↗
  • Metasploitexploit/windows/browser/ms12_037_ie_colspan✓ verified
    First seen Jun 12, 2012

    MS12-037 Microsoft Internet Explorer Fixed Table Col Span Heap Overflow

    Open source ↗

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2012-1876?
CVE-2012-1876 is a none vulnerability published on June 12, 2012. Microsoft Internet Explorer 6 through 9, and 10 Consumer Preview, does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by attempting to access a nonexistent object, leading to a heap-based buffer overflow, aka "Col Element Remote Code Execution…
When was CVE-2012-1876 disclosed?
CVE-2012-1876 was first published in the National Vulnerability Database on June 12, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-1876 actively exploited?
CVE-2012-1876 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2012-1876?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-1876, 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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