Month: January 2026

Fortinet Releases Patches Following Active Exploitation of CVE-2026-24858

Context CISA published an alert on January 28, 2026, regarding active exploitation of vulnerability CVE-2026-24858 affecting multiple Fortinet products. This flaw was added to CISA’s KEV (Known Exploited Vulnerabilities) catalog on January 27, 2026. Fortinet has released patches and recommendations to remediate this critical authentication bypass vulnerability. Technical Description of the Vulnerability CVE-2026-24858 is an…

January 2026 Patch Tuesday

Executive Summary In January 2026, Microsoft’s Patch Tuesday addressed 114 vulnerabilities, including 8 Critical flaws primarily in Windows and Office. The release fixed multiple remote code execution (RCE) and elevation of privilege (EoP) bugs. Microsoft confirmed one actively exploited zero-day (CVE-2026-20805) and two publicly disclosed issues patched this month (CVE-2023-31096 and CVE-2026-21265). One publicly known…

UAC-0190 Targeted Attacks Against Ukraine’s Defense Forces Using the PLUGGYAPE Malware

Réf. UAC-0190 Targeted Attacks Against Ukraine’s Defense Forces Using the PLUGGYAPE Malware (CERT-UA#19092) Executive Summary: Background In the period from October to December 2025, Ukraine’s governmental Computer Emergency Response Team (CERT-UA), in cooperation with the Cyber Incident Response Team of the Armed Forces of Ukraine (military unit A0334), investigated a series of targeted cyberattacks against…