Threats Tagged 'cve-2026-3564'
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Threats Tagged 'cve-2026-3564'
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CVE-2026-3564: CWE-347 Improper Verification of Cryptographic Signature in ConnectWise ScreenConnectCVE-2026-3564 0 CVE-2026-3564 is a critical vulnerability in ConnectWise ScreenConnect versions prior to 26.1 involving improper verification of cryptographic signatures (CWE-347). An attacker with access to server-level cryptographic material used for authentication can exploit this flaw to gain unauthorized access and potentially elevate privileges. The vulnerability affects confidentiality, integrity, and availability, with a CVSS score of 9.0, indicating high severity and a complex but impactful attack vector. No known exploits are currently reported in the wild. Organizations using ScreenConnect should prioritize patching to version 26.1 or later once available and implement strict controls around cryptographic key access. Countries with significant use of ConnectWise ScreenConnect and high reliance on remote support tools, including the United States, Canada, United Kingdom, Germany, Australia, and Japan, are most at risk. Immediate mitigation and monitoring are essential to prevent potential compromise of remote support infrastructure. Join the discussion | CVE Database V5 | 03/17/2026, 14:48:59 UTC Added: 03/17/2026, 15:13:21 UTC |
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