Wednesday, June 10, 2026 Archive

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Archived Security Brief

Adobe Campaign Classic and Microsoft Windows dominate Wednesday's disclosures, with two maximum-severity Adobe Campaign Classic flaws (CVSS 10) and a cluster of CVSS 9.8 Windows kernel, DHCP client, and HTTP.sys issues. The brief covers 18 critical vulnerabilities, up 50% from the prior day's 12, alongside 27 high-priority CVEs, down 56% from 62. Named critical entries include CVE-2026-47938 and CVE-2026-48303 in Adobe Campaign Classic, CVE-2026-44815 in the Windows DHCP Client, and CVE-2026-45447 affecting OpenSSL PKCS#7/S/MIME processing. Remote code execution and authentication bypass patterns predominate, spanning enterprise security appliances from Fortinet, Cisco, Check Point, and Arista. No fixes are currently published for the disclosed set, so affected organizations should prioritize compensating controls and monitor vendor advisories; nine CVEs across Fortinet, SolarWinds, and Cisco platforms show confirmed active exploitation.

  • Adobe Campaign Classic carries two maximum-severity flaws (CVE-2026-47938, CVE-2026-48303, both CVSS 10) enabling remote compromise
  • Critical CVEs rose 50% to 18, led by Microsoft Windows kernel, DHCP client, HTTP.sys, and Azure Stack Edge issues at CVSS 9.8
  • High-priority CVEs fell 56% to 27 from the prior day's 62
  • Remote code execution and authentication bypass dominate, affecting Fortinet FortiSandbox, OpenSSL, and Microsoft Windows components
  • Patch availability stands at 0% across the disclosed set, requiring interim mitigations and advisory monitoring
  • Nine vulnerabilities show active exploitation, including Fortinet FortiOS and FortiAnalyzer, SolarWinds Serv-U, and Cisco Catalyst SD-WAN Manager

Immediate action: Prioritize Adobe Campaign Classic and Microsoft Windows systems, along with internet-facing Fortinet, Cisco, Check Point, SolarWinds, and Arista appliances showing active exploitation. With no patches yet published for the disclosed CVEs, apply vendor-recommended compensating controls, restrict exposed management interfaces, and watch advisories for fix availability.

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