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ScreenConnect vulnerability CVE-2026-3564: Find affected assets

ID: d6283473-7fa2-54a8-aef8-4415f7182f67

STIX ID: report--d6283473-7fa2-54a8-aef8-4415f7182f67

Feed Name: runZero Blog

Threat Score
82/100

Date Published: 2024-02-21

Date Updated: 2026-04-29

Author: Rob King

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ConnectWise ScreenConnect has multiple high-severity vulnerabilities (notably CVE-2026-3564 and CVE-2025-3935) that can enable unauthorized access, privilege escalation, or remote code execution; vendors have released patches (e.g., 26.1 and 25.2.4) and users are urged to upgrade immediately. The advisory notes active exploitation for some issues and provides runZero queries to find vulnerable on‑prem installations.

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