ConnectWise patches new flaw allowing ScreenConnect hijacking
2026-03-18T19:23:32Z•e59e19a2b0789f84618c5d75bca792d2e9b7fce1b798083f14155cd441917aa7
AI-securityCVE-2026-20643Cisco Secure FMCClickFixConnectWise ScreenConnectDeno-runtimeEU-sanctionsGlassWormLeakNetWebKitdata-breachemail-spoofingfont-rendering-attackiOS-exploitinfostealerransomwarerefund-fraudremote-code-executionsupply-chainzero-day
What happened
Multiple high-impact threats and vulnerabilities reported: a maximum-severity remote code execution zero-day in Cisco Secure Firewall Management Center is being actively exploited by the Interlock ransomware gang since January; ConnectWise patched a cryptographic signature verification flaw in ScreenConnect that can enable hijacking and privilege escalation; Marquis disclosed a ransomware-related data theft affecting ~672K individuals and 74 banks; the GlassWorm supply-chain campaign compromised 400+ code repositories and packages; a new iOS exploit framework called “Darksword” is being used—t
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- bleepingcomputer
- Record identifier
- e59e19a2b0789f84618c5d75bca792d2e9b7fce1b798083f14155cd441917aa7
- Enrichment time
- 2026-03-18T19:23:32Z
- AI-assisted enrichment
- Yes
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