Week in review: Cisco patches exploited email gateway 0-day, Revolut breach

This week’s security news includes Cisco patches for actively exploited flaws in Cisco Secure Email Gateway (CVE-2026-76461) and Cisco Identity Services Engine (ISE) (CVE-2026-76460), as well as targeted exploitation of an Acronis backup plugin issue (CVE-2026-87886). Researchers also disclosed that Parallels Desktop flaw CVE-2026-90894 can let a local Mac user obtain root access, while Revolut confirmed a breach involving customer records obtained through government-agency impersonation.