Securityweek Ransomware Exploits Critical SmarterMail Vulnerability CVE-2026-24423
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A critical vulnerability in SmarterTools' SmarterMail, identified as CVE-2026-24423, is being actively exploited in ransomware attacks. The flaw allows unauthenticated remote code execution via malicious HTTP requests, affecting users of the email and collaboration server. CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on February 5, 2026.
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Critical Zero-Day Exploited in BeyondTrust Remote Support by China-linked Group A critical vulnerability in BeyondTrust Remote Support, tracked as CVE-2026-102764 with a CVSS score of 9.3, has been exploited by the China-linked espionage group Armory Castle since August 29, 2026. This flaw allows unauthenticated remote attackers to perform file operations, gaining root control and access to… 
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