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

  1. Attackers Use Passkey Phishing to Hijack Microsoft Cloud Accounts and Exfiltrate Data - thehackernews.com
  2. CISA Adds 5 Actively Exploited Artifactory, ScreenConnect, and RouterOS Flaws to KEV - thehackernews.com
  3. Dutch NCSC: Critical Check Point VPN flaws exploitation is imminent - bleepingcomputer.com