CVE-2012-0158

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 2021-11-03), 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 — 3 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: 100%CVSS: 8.8Exploit: NoneExposed: 0

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

The (1) ListView, (2) ListView2, (3) TreeView, and (4) TreeView2 ActiveX controls in MSCOMCTL.OCX in the Common Controls in Microsoft Office 2003 SP3, 2007 SP2 and SP3, and 2010 Gold and SP1; Office 2003 Web Components SP3; SQL Server 2000 SP4, 2005 SP4, and 2008 SP2, SP3, and R2; BizTalk Server 2002 SP1; Commerce Server 2002 SP4, 2007 SP2, and 2009 Gold and R2; Visual FoxPro 8.0 SP1 and 9.0 SP2; and Visual Basic 6.0 Runtime allow remote attackers to execute arbitrary code via a crafted (a) web site, (b) Office document, or (c) .rtf file that triggers "system state" corruption, as exploited in the wild in April 2012, aka "MSCOMCTL.OCX RCE Vulnerability."

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
100.0%
KEV
⚠ Exploited

Published

April 10, 2012

Last Modified

April 22, 2026

Advisory Details (2)

Auto-updated May 2, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Microsoft Security Bulletin MS12-027 - Critical | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-027
generic
http://www.securityfocus.com/bid/52911

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 39× in last 7d / 201× 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 406 total refreshes for this CVE.

  1. 2026-07-23 01:06 UTCEG score recompute
  2. 2026-07-23 00:08 UTCEG score recompute
  3. 2026-07-23 00:08 UTCGHSA enrichment
  4. 2026-07-22 21:48 UTCEG score recompute
  5. 2026-07-22 20:27 UTCGHSA enrichment
  6. 2026-07-22 19:40 UTCCISA KEV update
  7. 2026-07-22 16:46 UTCGHSA enrichment
  8. 2026-07-22 12:58 UTCGHSA enrichment
  9. 2026-07-22 09:18 UTCGHSA enrichment
  10. 2026-07-22 05:33 UTCGHSA enrichment
  11. 2026-07-22 01:34 UTCGHSA enrichment
  12. 2026-07-21 19:57 UTCGHSA enrichment
  13. 2026-07-21 16:12 UTCGHSA enrichment
  14. 2026-07-21 14:37 UTCCISA KEV update
  15. 2026-07-21 12:31 UTCGHSA enrichment
  16. 2026-07-21 08:50 UTCGHSA enrichment
  17. 2026-07-21 05:08 UTCGHSA enrichment
  18. 2026-07-21 01:27 UTCGHSA enrichment
  19. 2026-07-20 21:46 UTCGHSA enrichment
  20. 2026-07-20 18:05 UTCGHSA enrichment
  21. 2026-07-20 14:23 UTCGHSA enrichment
  22. 2026-07-20 10:42 UTCGHSA enrichment
  23. 2026-07-20 07:01 UTCGHSA enrichment
  24. 2026-07-20 03:21 UTCGHSA enrichment
  25. 2026-07-19 23:39 UTCGHSA enrichment
Show 75 more
  1. 2026-07-19 19:58 UTCGHSA enrichment
  2. 2026-07-19 16:17 UTCGHSA enrichment
  3. 2026-07-19 12:32 UTCGHSA enrichment
  4. 2026-07-19 08:49 UTCGHSA enrichment
  5. 2026-07-19 05:08 UTCGHSA enrichment
  6. 2026-07-19 01:27 UTCGHSA enrichment
  7. 2026-07-18 21:47 UTCGHSA enrichment
  8. 2026-07-18 18:06 UTCGHSA enrichment
  9. 2026-07-18 14:24 UTCGHSA enrichment
  10. 2026-07-18 10:43 UTCGHSA enrichment
  11. 2026-07-18 07:02 UTCGHSA enrichment
  12. 2026-07-18 03:22 UTCGHSA enrichment
  13. 2026-07-17 23:41 UTCGHSA enrichment
  14. 2026-07-17 19:59 UTCGHSA enrichment
  15. 2026-07-17 16:18 UTCGHSA enrichment
  16. 2026-07-17 12:37 UTCGHSA enrichment
  17. 2026-07-17 08:56 UTCEG score recompute
  18. 2026-07-17 08:56 UTCGHSA enrichment
  19. 2026-07-17 05:15 UTCGHSA enrichment
  20. 2026-07-17 01:35 UTCGHSA enrichment
  21. 2026-07-16 21:51 UTCGHSA enrichment
  22. 2026-07-16 18:11 UTCGHSA enrichment
  23. 2026-07-16 17:04 UTCCISA KEV update
  24. 2026-07-16 14:26 UTCGHSA enrichment
  25. 2026-07-16 10:44 UTCGHSA enrichment
  26. 2026-07-16 07:02 UTCGHSA enrichment
  27. 2026-07-16 03:21 UTCGHSA enrichment
  28. 2026-07-15 23:40 UTCGHSA enrichment
  29. 2026-07-15 19:59 UTCGHSA enrichment
  30. 2026-07-15 16:49 UTCCISA KEV update
  31. 2026-07-15 16:18 UTCGHSA enrichment
  32. 2026-07-15 15:04 UTCCISA KEV update
  33. 2026-07-15 12:37 UTCGHSA enrichment
  34. 2026-07-15 08:55 UTCGHSA enrichment
  35. 2026-07-15 05:14 UTCGHSA enrichment
  36. 2026-07-15 01:33 UTCGHSA enrichment
  37. 2026-07-14 21:52 UTCGHSA enrichment
  38. 2026-07-14 18:11 UTCGHSA enrichment
  39. 2026-07-14 18:05 UTCCISA KEV update
  40. 2026-07-14 14:31 UTCGHSA enrichment
  41. 2026-07-14 10:49 UTCGHSA enrichment
  42. 2026-07-14 07:07 UTCGHSA enrichment
  43. 2026-07-14 03:24 UTCGHSA enrichment
  44. 2026-07-13 23:44 UTCGHSA enrichment
  45. 2026-07-13 20:04 UTCGHSA enrichment
  46. 2026-07-13 17:07 UTCCISA KEV update
  47. 2026-07-13 16:22 UTCGHSA enrichment
  48. 2026-07-13 12:39 UTCGHSA enrichment
  49. 2026-07-13 08:58 UTCGHSA enrichment
  50. 2026-07-13 05:17 UTCGHSA enrichment
  51. 2026-07-13 01:35 UTCGHSA enrichment
  52. 2026-07-12 21:55 UTCGHSA enrichment
  53. 2026-07-12 18:14 UTCGHSA enrichment
  54. 2026-07-12 14:32 UTCGHSA enrichment
  55. 2026-07-12 10:51 UTCGHSA enrichment
  56. 2026-07-12 07:10 UTCGHSA enrichment
  57. 2026-07-12 03:27 UTCGHSA enrichment
  58. 2026-07-11 23:46 UTCGHSA enrichment
  59. 2026-07-11 20:04 UTCGHSA enrichment
  60. 2026-07-11 16:22 UTCGHSA enrichment
  61. 2026-07-11 12:41 UTCGHSA enrichment
  62. 2026-07-11 09:00 UTCGHSA enrichment
  63. 2026-07-11 05:19 UTCGHSA enrichment
  64. 2026-07-11 01:38 UTCGHSA enrichment
  65. 2026-07-10 21:56 UTCGHSA enrichment
  66. 2026-07-10 18:15 UTCGHSA enrichment
  67. 2026-07-10 17:52 UTCCISA KEV update
  68. 2026-07-10 14:31 UTCGHSA enrichment
  69. 2026-07-10 10:50 UTCGHSA enrichment
  70. 2026-07-10 07:08 UTCGHSA enrichment
  71. 2026-07-10 03:28 UTCGHSA enrichment
  72. 2026-07-09 23:46 UTCGHSA enrichment
  73. 2026-07-09 20:05 UTCGHSA enrichment
  74. 2026-07-09 16:22 UTCGHSA enrichment
  75. 2026-07-09 12:42 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-18780✓ verified
    First seen Apr 25, 2012

    Microsoft Windows - MSCOMCTL ActiveX Buffer Overflow (MS12-027) (Metasploit)

    Open source ↗
  • Metasploitexploit/windows/fileformat/ms12_027_mscomctl_bof✓ verified
    First seen Apr 10, 2012

    MS12-027 MSCOMCTL ActiveX Buffer Overflow

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2012-0158?
CVE-2012-0158 is a high vulnerability published on April 10, 2012. The (1) ListView, (2) ListView2, (3) TreeView, and (4) TreeView2 ActiveX controls in MSCOMCTL.OCX in the Common Controls in Microsoft Office 2003 SP3, 2007 SP2 and SP3, and 2010 Gold and SP1; Office 2003 Web Components SP3; SQL Server 2000 SP4, 2005 SP4, and 2008 SP2, SP3, and R2; BizTalk Server…
When was CVE-2012-0158 disclosed?
CVE-2012-0158 was first published in the National Vulnerability Database on April 10, 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-2012-0158 actively exploited?
Yes. CISA added CVE-2012-0158 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting Microsoft MSCOMCTL.OCX. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2012-0158?
CVE-2012-0158 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-2012-0158?
CVE-2012-0158 affects Microsoft MSCOMCTL.OCX. 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-2012-0158?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-0158, 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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