CISA Catalogs Actively Exploited Cisco Zero-Day and Other Vulnerabilities

CISA has added a critical zero-day vulnerability (CVE-2026-76461) in Cisco Secure Email Gateway to its Known Exploited Vulnerabilities (KEV) Catalog, which allows unauthenticated attackers root access. This flaw is actively being exploited, alongside two other vulnerabilities affecting Cisco Identity Services Engine (CVE-2026-76460) and Acronis Backup (CVE-2026-87886). Federal agencies are mandated to remediate these issues, highlighting ongoing cybersecurity threats.