CVE-2019-0541

CRITICALNVD 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 — 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: 53%CVSS: 8.8Exploit: cisa kev · ssvc active · 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.

A remote code execution vulnerability exists in the way that the MSHTML engine inproperly validates input, aka "MSHTML Engine Remote Code Execution Vulnerability." This affects Microsoft Office, Microsoft Office Word Viewer, Internet Explorer 9, Internet Explorer 11, Microsoft Excel Viewer, Internet Explorer 10, Office 365 ProPlus.

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 PROB
53%
EPSS %ILE
99%
KEV
⚠ Exploited

Published

January 8, 2019

Last Modified

October 29, 2025

Advisory Details (4)

Auto-updated Jun 2, 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-2019-0541
generic🟡 PoC Available

Microsoft Windows MSHTML Engine - 'Edit' Remote Code Execution - Windows local Exploit

https://www.exploit-db.com/exploits/46536/
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-2019-0541
generic
http://www.securityfocus.com/bid/106402

Weakness Classification(1)

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 95× in last 7d / 379× 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 1,356 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

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

  • Exploit-DBEDB-46536
    First seen Mar 13, 2019

    Microsoft Windows MSHTML Engine - 'Edit' Remote Code Execution

    Open source ↗

Frequently asked(6)

What is CVE-2019-0541?
CVE-2019-0541 is a critical vulnerability published on January 8, 2019. A remote code execution vulnerability exists in the way that the MSHTML engine inproperly validates input, aka "MSHTML Engine Remote Code Execution Vulnerability." This affects Microsoft Office, Microsoft Office Word Viewer, Internet Explorer 9, Internet Explorer 11, Microsoft Excel Viewer,…
When was CVE-2019-0541 disclosed?
CVE-2019-0541 was first published in the National Vulnerability Database on January 8, 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-2019-0541 actively exploited?
Yes. CISA added CVE-2019-0541 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting Microsoft MSHTML. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2019-0541?
CVE-2019-0541 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-2019-0541?
CVE-2019-0541 affects Microsoft MSHTML. 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-2019-0541?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-0541, 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

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