CVE-2026-84869

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreHIGH confidence

Score elevated to 9.9 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-09-11), indicating real-world exploitation has been confirmed by US federal agencies. a secondary CVSS source baseline 9.9 retained for reference (NVD's own analysis pending). Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, secondary
Trending — KEV-added this weekExploited in the wild
9.9EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 1%CVSS: 9.9Exploit: cisa kev · ssvc activeExposed: 0

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

A condition in the ScreenConnect client may allow files to be transferred and executed through an active remote session without authorization or Host confirmation in certain circumstances. ScreenConnect servers are not impacted.

CVSS v3
9.9
EG Score
9.9(high)
EG Risk
85(Attend)
EG Risk 85/100SSVC: 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
Severity99% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
51%
KEV
⚠ Exploited

Published

September 8, 2026

Last Modified

September 12, 2026

Advisory Details (3)

Auto-updated Sep 19, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
generic🔴 Active Exploitation

Rogue ScreenConnect Installations Across Unrelated Hosts Suggest Worm-Like Activity | Huntress

https://www.huntress.com/blog/rogue-screenconnect-installations
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-2026-84869
generic

Disclosures/CVE-2026-84869 at main · ConnectWise-Advisories/Disclosures · GitHub

https://github.com/ConnectWise-Advisories/Disclosures/tree/main/CVE-2026-84869

Vendor Advisories for CVE-2026-84869(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 56× in last 7d / 106× 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 106 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2026-84869?
CVE-2026-84869 is a critical vulnerability published on September 8, 2026. A condition in the ScreenConnect client may allow files to be transferred and executed through an active remote session without authorization or Host confirmation in certain circumstances. ScreenConnect servers are not impacted.
When was CVE-2026-84869 disclosed?
CVE-2026-84869 was first published in the National Vulnerability Database on September 8, 2026, with the most recent update on September 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-84869 actively exploited?
Yes. CISA added CVE-2026-84869 to the Known Exploited Vulnerabilities catalog on September 11, 2026, affecting ConnectWise ScreenConnect. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2026-84869?
CVE-2026-84869 has a CVSS v3 base score of 9.9 (NVD).
Which products are affected by CVE-2026-84869?
CVE-2026-84869 affects ConnectWise ScreenConnect. 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-2026-84869?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-84869, 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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