SecurityWeek Follow SonicWall Zero-Days Exploited to Deliver Custom Malware for Weeks Before Patch The zero-days CVE-2026-15409 and CVE-2026-15410 were exploited by a threat actor tracked by Volexity as UTA0533. https://www.securityweek.com/sonicwall-zero-days-exploited-to-deliver-custom-malware-for-weeks-before-patch/ securityweek.com