Vulnerability intelligence
CVE-2026-3564
ScreenConnect Instance Level Cryptographic Material Exposure
A condition in the ScreenConnect server component may allow an actor with access to server-level cryptographic material used for authentication to obtain unauthorized access, including elevated privileges, in certain scenarios. ScreenConnect host and guest client agents are not independently affected by this CVE.
CVSS Score
9
Critical
EPSS — Exploit Probability
0.3%
Riskier than 21% of all CVEs · checked 2026-10-24
Exploitation
Not in CISA KEV
KEV does not include every exploited vulnerability
Remediation
Patch available
Vendor fix published
1 article across 1 outlet · first covered Mar 19, 2026 · latest Mar 19, 2026
Coverage timeline
RSS-
Critical ScreenConnect Vulnerability Exposes Machine Keyswww.securityweek.com · Mar 19, 2026