CVE-2026-19193

HIGHPre-NVD 7.87.8—
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-07. a secondary CVSS source baseline 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: Elevated riskExposed: 0

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

A flaw has been found in Jiangmin Antivirus 21. Impacted is the function MessageNotifyCallback in the library kvcore.sys of the component Minifilter Port. Executing a manipulation can lead to improper access controls. The attack needs to be launched locally. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
7.8
EG Score
7.8(high)
EG Risk
51(Track*)
EG Risk 51/100SSVC: Track*

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
Severity78% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

August 7, 2026

Last Modified

August 12, 2026

Advisory Details (1)

Auto-updated Aug 7, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Jiangmin · Issue #1 · patrickt2017/research · GitHub

https://github.com/patrickt2017/research/issues/1

Vendor Advisories for CVE-2026-19193(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 29× in last 7d / 79× 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.

  1. 2026-08-21 04:18 UTCEG score recompute
  2. 2026-08-21 04:18 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 17:14 UTCGHSA enrichment
  5. 2026-08-20 06:07 UTCGHSA enrichment
  6. 2026-08-19 19:03 UTCEG score recompute
  7. 2026-08-19 19:03 UTCGHSA enrichment
  8. 2026-08-19 17:03 UTCEPSS rescore
  9. 2026-08-19 07:59 UTCGHSA enrichment
  10. 2026-08-18 20:56 UTCEG score recompute
  11. 2026-08-18 20:56 UTCGHSA enrichment
  12. 2026-08-18 13:48 UTCEPSS rescore
  13. 2026-08-18 09:53 UTCGHSA enrichment
  14. 2026-08-17 22:48 UTCEG score recompute
  15. 2026-08-17 22:48 UTCGHSA enrichment
  16. 2026-08-17 13:47 UTCEPSS rescore
  17. 2026-08-17 11:44 UTCGHSA enrichment
  18. 2026-08-17 00:37 UTCEG score recompute
  19. 2026-08-17 00:37 UTCGHSA enrichment
  20. 2026-08-16 14:56 UTCEPSS rescore
  21. 2026-08-16 13:34 UTCGHSA enrichment
  22. 2026-08-16 02:31 UTCEG score recompute
  23. 2026-08-16 02:31 UTCGHSA enrichment
  24. 2026-08-16 02:14 UTCEPSS rescore
  25. 2026-08-15 15:28 UTCGHSA enrichment
Show 54 more
  1. 2026-08-15 04:25 UTCEG score recompute
  2. 2026-08-15 04:25 UTCGHSA enrichment
  3. 2026-08-15 01:30 UTCEPSS rescore
  4. 2026-08-14 17:22 UTCGHSA enrichment
  5. 2026-08-14 06:14 UTCEG score recompute
  6. 2026-08-14 06:14 UTCGHSA enrichment
  7. 2026-08-13 22:00 UTCEPSS rescore
  8. 2026-08-13 19:11 UTCGHSA enrichment
  9. 2026-08-13 08:08 UTCGHSA enrichment
  10. 2026-08-12 21:04 UTCGHSA enrichment
  11. 2026-08-12 14:33 UTCEG score recompute
  12. 2026-08-12 14:33 UTCGHSA enrichment
  13. 2026-08-12 13:50 UTCEPSS rescore
  14. 2026-08-12 03:30 UTCGHSA enrichment
  15. 2026-08-11 16:26 UTCEG score recompute
  16. 2026-08-11 16:26 UTCGHSA enrichment
  17. 2026-08-11 13:42 UTCEPSS rescore
  18. 2026-08-11 05:23 UTCEG score recompute
  19. 2026-08-11 05:23 UTCGHSA enrichment
  20. 2026-08-11 05:23 UTCNVD updateCVSS v4 → 7.1
  21. 2026-08-11 05:08 UTCEG score recompute
  22. 2026-08-11 05:08 UTCGHSA enrichment
  23. 2026-08-11 05:08 UTCMITRE cvelistV5CVSS v4 → 8.5
  24. 2026-08-11 02:56 UTCEG score recompute
  25. 2026-08-11 02:56 UTCGHSA enrichment
  26. 2026-08-11 00:00 UTCEPSS rescore
  27. 2026-08-10 15:53 UTCGHSA enrichment
  28. 2026-08-10 04:30 UTCGHSA enrichment
  29. 2026-08-09 17:27 UTCEG score recompute
  30. 2026-08-09 17:27 UTCGHSA enrichment
  31. 2026-08-09 13:46 UTCEPSS rescore
  32. 2026-08-09 06:24 UTCEG score recompute
  33. 2026-08-09 06:24 UTCGHSA enrichment
  34. 2026-08-09 06:23 UTCNVD updateCVSS v4 → 7.1
  35. 2026-08-09 06:05 UTCEG score recompute
  36. 2026-08-09 06:05 UTCGHSA enrichment
  37. 2026-08-09 06:05 UTCMITRE cvelistV5CVSS v4 → 8.5
  38. 2026-08-09 03:36 UTCEG score recompute
  39. 2026-08-09 03:36 UTCGHSA enrichment
  40. 2026-08-08 16:37 UTCEPSS rescore
  41. 2026-08-08 16:33 UTCGHSA enrichment
  42. 2026-08-08 05:30 UTCGHSA enrichment
  43. 2026-08-07 18:27 UTCEG score recompute
  44. 2026-08-07 18:27 UTCGHSA enrichment
  45. 2026-08-07 18:26 UTCNVD updateCVSS v4 → 7.1
  46. 2026-08-07 17:27 UTCEG score recompute
  47. 2026-08-07 17:27 UTCGHSA enrichment
  48. 2026-08-07 17:27 UTCMITRE cvelistV5CVSS v4 → 8.5
  49. 2026-08-07 16:22 UTCEG score recompute
  50. 2026-08-07 16:22 UTCGHSA enrichment
  51. 2026-08-07 05:19 UTCEG score recompute
  52. 2026-08-07 05:19 UTCNVD updateCVSS v4 → 7.1
  53. 2026-08-07 04:18 UTCEG score recompute
  54. 2026-08-07 04:18 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-19193?
CVE-2026-19193 is a high vulnerability published on August 7, 2026. A flaw has been found in Jiangmin Antivirus 21. Impacted is the function MessageNotifyCallback in the library kvcore.sys of the component Minifilter Port. Executing a manipulation can lead to improper access controls. The attack needs to be launched locally. The exploit has been published and may…
When was CVE-2026-19193 disclosed?
CVE-2026-19193 was first published in the National Vulnerability Database on August 7, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19193 actively exploited?
CVE-2026-19193 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 98.5% of all scored CVEs.
What is the CVSS score of CVE-2026-19193?
CVE-2026-19193 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-19193?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-19193, 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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