Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-84869

CVE-2026-84869CRITICAL

ConnectWise ScreenConnect — ScreenConnect Client: Guest-to-Host File Execution via File-Transfer Actions

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   L   N  C  H  H  H    9.9   .0092   59.0   YES

AFFECTED
  Product        Versions                        Fixed
  ScreenConnect  All versions prior to 26.6.5 –  —

TIMELINE
  Sep 2   Reserved by ConnectWise
  Sep 8   Published (CNA: ConnectWise)
  Sep 11  ADDED TO KEV — CVE-2026-84869 (ConnectWise ScreenConnect). Remediation due September 14, 2026.
  Sep 15  DUE DATE PASSED — CVE-2026-84869 (ConnectWise ScreenConnect). CISA remediation deadline was September 14, 2026; still in catalog.

CWE-269, CWE-862 · CNA: ConnectWise · CVSS v3.1 · 5 references · NVD status: Analyzed · KEV due September 14, 2026

Description

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.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
September 2, 2026	Reserved	Reserved by ConnectWise
September 8, 2026	Published	Published (CNA: ConnectWise)
September 11, 2026	KEV ADDED	ADDED TO KEV — CVE-2026-84869 (ConnectWise ScreenConnect). Remediation due September 14, 2026.
September 15, 2026	DUE DATE PASSED	DUE DATE PASSED — CVE-2026-84869 (ConnectWise ScreenConnect). CISA remediation deadline was September 14, 2026; still in catalog.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
ConnectWise	ScreenConnect	—	All versions prior to 26.6.5	—

Weaknesses

CWE-269 · CWE-862

References (5)

https://github.com/ConnectWise-Advisories/Disclosures/tree/main/CVE-2026-84869 [Third Party Advisory]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-84869 [US Government Resource]
https://www.connectwise.com/company/trust/advisories [Vendor Advisory]
https://www.connectwise.com/company/trust/security-bulletins/2026-09-08-screenconnect-bulletin [Vendor Advisory]
https://www.huntress.com/blog/rogue-screenconnect-installations [Third Party Advisory]

Authoritative record: CVE-2026-84869 at cve.org

Vendors: connectwise

Weaknesses: CWE-269 · CWE-862

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-84869 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.