CVE-2019-1388

CRITICALNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2023-04-07), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 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: 9%CVSS: 7.8Exploit: cisa kev · ssvc active · kev ransomware · public exploitExposed: 0

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

An elevation of privilege vulnerability exists in the Windows Certificate Dialog when it does not properly enforce user privileges, aka 'Windows Certificate Dialog Elevation of Privilege Vulnerability'.

CVSS v3
7.8
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
9%
EPSS %ILE
95%
KEV
⚠ Exploited

Published

November 12, 2019

Last Modified

October 29, 2025

Advisory Details (3)

Auto-updated Jun 4, 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-2019-1388
generic

ZDI-19-975 | Zero Day Initiative

https://www.zerodayinitiative.com/advisories/ZDI-19-975/
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-2019-1388

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 94× in last 7d / 396× 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 1,424 total refreshes for this CVE.

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

Publicly available exploits

(4 references)

Working exploit code is in the public domain (4 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCsuprise4u/CVE-2019-1388
    First seen Jun 7, 2021
    Open source ↗
  • GitHub PoCnobodyatall648/CVE-2019-1388
    First seen May 5, 2021

    CVE-2019-1388 Abuse UAC Windows Certificate Dialog

    Open source ↗
  • GitHub PoCsv3nbeast/CVE-2019-1388
    First seen Nov 27, 2019

    guest→system（UAC手动提权）

    Open source ↗
  • GitHub PoCjas502n/CVE-2019-1388
    First seen Nov 21, 2019

    CVE-2019-1388 UAC提权 (nt authority\system)

    Open source ↗

Frequently asked(6)

What is CVE-2019-1388?
CVE-2019-1388 is a critical vulnerability published on November 12, 2019. An elevation of privilege vulnerability exists in the Windows Certificate Dialog when it does not properly enforce user privileges, aka 'Windows Certificate Dialog Elevation of Privilege Vulnerability'.
When was CVE-2019-1388 disclosed?
CVE-2019-1388 was first published in the National Vulnerability Database on November 12, 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-2019-1388 actively exploited?
Yes. CISA added CVE-2019-1388 to the Known Exploited Vulnerabilities catalog on April 7, 2023, affecting Microsoft Windows. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2019-1388?
CVE-2019-1388 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2019-1388?
CVE-2019-1388 affects Microsoft Windows. 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-2019-1388?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-1388, 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-2019-1388

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