CVE-2019-1367

CRITICALNVD 7.59.0▲
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 7.5 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: 52%CVSS: 7.5Exploit: cisa kev · ssvc active · kev ransomware · epss top5pct · epss high · public exploitExposed services: Not assessed

A fix is available — apply it.

A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-1221.

CVSS v3
7.5
EG Score
9.0CRITICALhigh confidence
EG Risk
81
EG Risk 81/100CISA SSVC

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%
CISA SSVC: Track at low, Attend at medium and Act at high mission impact.
Action: A fix is available. Apply it within your standard update timelines at low, sooner than that at medium and as soon as possible at high mission impact.
EPSS PROB
52%
EPSS %ILE
98th
KEV
⚠ Exploited

CISA SSVCTrack at low, Attend at medium and Act at high mission impact.

A fix is available. Apply it within your standard update timelines at low, sooner than that at medium and as soon as possible at high mission impact.

Exploitation active (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 23, 2019

Last Modified

October 29, 2025

Advisory Details (2)

Auto-updated Jun 6, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: microsoft, cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1367
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-2019-1367

Vendor Advisories for CVE-2019-1367(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 92× in last 7d / 404× 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 1,631 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCmandarenmanman/CVE-2019-1367
    First seen Sep 24, 2019

    CVE-2019-1367

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2019-1367?
CVE-2019-1367 is a critical vulnerability published on September 23, 2019. A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-1221.
When was CVE-2019-1367 disclosed?
CVE-2019-1367 was first published on September 23, 2019, with the most recent update on October 29, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-1367 actively exploited?
Yes. CISA added CVE-2019-1367 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting Microsoft Internet Explorer. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate attention. A fix is available. Apply it.
What is the CVSS score of CVE-2019-1367?
CVE-2019-1367 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0 (CRITICAL).
Which products are affected by CVE-2019-1367?
CVE-2019-1367 affects Microsoft Internet Explorer.
How do I remediate CVE-2019-1367?
A fix for CVE-2019-1367 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2019-1367 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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