Cisco has warned that attackers are actively exploiting a critical zero-day vulnerability in Cisco Secure Email Gateway that can give them root access to affected appliances.

Cisco has patched another actively exploited zero-day flaw in its Secure Email Gateway (SEG) that lets remote unauthenticated ...

Cisco warns that hackers have been exploiting CVE-2026-76519, an arbitrary file write vulnerability in Secure Email Gateway.

Cisco released software updates to address the flaw, but warns that there are no workarounds that address the vulnerability.

None ...

A new architecture gives defense contractors a governed, auditable way to send CUI to and receive it from primes, ...

A critical flaw in Cisco Secure Email Gateway is already being exploited. Malicious email attachments give attackers root ...

Cybercriminals are targeting election officials and campaign staff with deceptive messages designed to steal passwords, ...

Cisco says attackers are exploiting CVE-2026-76519, a 9.8 Secure Email Gateway flaw that grants root via a crafted attachment ...

U.S. CISA adds Palo Alto Networks, Ahsay AhsayCBS, and Cisco Secure Email Gateway flaws to its Known Exploited Vulnerabilities catalog.

Cisco on Oct. 14 warned customers that a critical CVSS 9.8 path traversal vulnerability in its Secure Email Gateway was ...

Attackers exploit a critical Cisco email gateway flaw to gain root access. Cisco urges customers to update scanner tools and ...