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CVE-2026-3564: Improper Verification of Cryptographic Signature

🗓️ 17 Mar 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Improper verification of cryptographic signature in ScreenConnect server component allows elevated privileges.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-3564
17 Mar 202614:48
–attackerkb
circl
Circl
CVE-2026-3564
17 Mar 202622:01
–circl
cnnvd
CNNVD
ConnectWise ScreenConnect 安全漏洞
17 Mar 202600:00
–cnnvd
nessus
Tenable Nessus
ConnectWise ScreenConnect < 26.1 Authentication Bypass
24 Mar 202600:00
–nessus
cve
CVE
CVE-2026-3564
17 Mar 202614:48
–cve
cvelist
Cvelist
CVE-2026-3564 ScreenConnect Instance Level Cryptographic Material Exposure
17 Mar 202614:48
–cvelist
euvd
EUVD
EUVD-2026-12574
17 Mar 202615:36
–euvd
nvd
NVD
CVE-2026-3564
17 Mar 202615:16
–nvd
ptsecurity
Positive Technologies
PT-2026-25901
17 Mar 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-3564
26 Mar 202615:04
–redhatcve
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09 Jul 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.19
EPSS0.00284
SSVC
0