CVE-2017-0037

CRITICALNVD 8.19.0
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-03-28), 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 — 5 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: 80%CVSS: 8.1Exploit: cisa kev · ssvc active · 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.

Microsoft Internet Explorer 10 and 11 and Microsoft Edge have a type confusion issue in the Layout::MultiColumnBoxBuilder::HandleColumnBreakOnColumnSpanningElement function in mshtml.dll, which allows remote attackers to execute arbitrary code via vectors involving a crafted Cascading Style Sheets (CSS) token sequence and crafted JavaScript code that operates on a TH element.

CVSS v3
8.1
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
80%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

February 26, 2017

Last Modified

June 17, 2026

Advisory Details (9)

Auto-updated May 19, 2026
🔬 Proof of concept available. Patch available. Sources: microsoft.
generic🟡 PoC Available

Microsoft Internet Explorer 11 (Windows 7 x86) - 'mshtml.dll' Remote Code Execution (MS17-007) - Windows_x86 remote Exploit

https://www.exploit-db.com/exploits/43125/
generic🟡 PoC Available

Microsoft Internet Explorer - 'mshtml.dll' Remote Code Execution (MS17-007) - Windows_x86-64 remote Exploit

https://www.exploit-db.com/exploits/42354/
generic🟡 PoC Available

Microsoft Edge / Internet Explorer - 'HandleColumnBreakOnColumnSpanningElement' Type Confusion - Windows dos Exploit

https://www.exploit-db.com/exploits/41454/
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0037
generic

0patch Blog: 0patching another 0-day: Internet Explorer 11 Type Confusion (CVE-2017-0037)

https://0patch.blogspot.si/2017/03/0patching-another-0-day-internet.html

Weakness Classification(2)

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

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 87× in last 7d / 343× 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 1,066 total refreshes for this CVE.

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

Publicly available exploits

(3 references)

Working exploit code is in the public domain (3 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-43125✓ verified
    First seen Oct 17, 2017

    Microsoft Internet Explorer 11 (Windows 7 x86) - 'mshtml.dll' Remote Code Execution (MS17-007)

    Open source ↗
  • Exploit-DBEDB-42354
    First seen Jul 24, 2017

    Microsoft Internet Explorer - 'mshtml.dll' Remote Code Execution (MS17-007)

    Open source ↗
  • Exploit-DBEDB-41454✓ verified
    First seen Feb 24, 2017

    Microsoft Edge / Internet Explorer - 'HandleColumnBreakOnColumnSpanningElement' Type Confusion

    Open source ↗

Frequently asked(6)

What is CVE-2017-0037?
CVE-2017-0037 is a critical vulnerability published on February 26, 2017. Microsoft Internet Explorer 10 and 11 and Microsoft Edge have a type confusion issue in the Layout::MultiColumnBoxBuilder::HandleColumnBreakOnColumnSpanningElement function in mshtml.dll, which allows remote attackers to execute arbitrary code via vectors involving a crafted Cascading Style Sheets…
When was CVE-2017-0037 disclosed?
CVE-2017-0037 was first published in the National Vulnerability Database on February 26, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-0037 actively exploited?
Yes. CISA added CVE-2017-0037 to the Known Exploited Vulnerabilities catalog on March 28, 2022, affecting Microsoft Edge and Internet Explorer. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2017-0037?
CVE-2017-0037 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-2017-0037?
CVE-2017-0037 affects Microsoft Edge and 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-2017-0037?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-0037, 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-2017-0037

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