Cybersecurity Brief
Sunday 13 September 2026
In this brief Microsoft, JFrog, ConnectWise, MikroTik, Check Point, +2 more
- Vendors
- Microsoft, JFrog, ConnectWise, MikroTik, Check Point
- CVEs
- CVE-2026-85102, CVE-2026-85103
Major Incidents or Breaches
- Microsoft has disclosed two campaigns where threat actors leveraged third-party email delivery services to distribute financial fraud scams and used passkey-themed phishing to compromise Microsoft cloud accounts and exfiltrate data [1].
Newly Discovered Vulnerabilities
- The US Cybersecurity and Infrastructure Security Agency (CISA) has added five actively exploited vulnerabilities affecting JFrog Artifactory, ConnectWise ScreenConnect, and MikroTik RouterOS to its Known Exploited Vulnerabilities (KEV) catalog [2].
- The Dutch National Cyber Security Centre (NCSC) has issued a warning about imminent exploitation of two critical vulnerabilities in Check Point VPN products, identified as CVE-2026-85102 and CVE-2026-85103 [3].
Notable Threat Actor Activity
- Threat actors have been observed abusing third-party email infrastructure to conduct financial fraud scams and using phishing campaigns themed around passkeys to hijack Microsoft cloud accounts [1].
Sources
- Attackers Use Passkey Phishing to Hijack Microsoft Cloud Accounts and Exfiltrate Data - thehackernews.com
- CISA Adds 5 Actively Exploited Artifactory, ScreenConnect, and RouterOS Flaws to KEV - thehackernews.com
- Dutch NCSC: Critical Check Point VPN flaws exploitation is imminent - bleepingcomputer.com