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Exploited vulnerability

CVE-2026-84869

TLP:CLEAR

ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerability

ConnectWise ScreenConnect contains both an improper privilege management and missing authorization vulnerability that may allow an attacker to transfer and execute files through an active remote session without authorization or host confirmation.

Facts

  • Vendor: ConnectWise
  • Product: ScreenConnect
  • CVSS: 9.9
  • EPSS (probability of exploitation within 30 days): 0.9 %
  • On CISA's Known Exploited Vulnerabilities list since: 11 September 2026
  • First known exploitation: 11 September 2026
  • CISA's deadline for US federal agencies: 14 September 2026
  • Weakness: CWE-269
  • First seen by Risk Letters: 8 September 2026

Members see which Nordic sectors the flaw hits, and what to do about it.

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD

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