⚡ THE ONE THING TODAY
Identify and inventory all Cisco Secure Email Gateways across your client base by version number within the next 2 hours—use Cisco's advisory to determine which versions are vulnerable and prioritize patching for tomorrow morning.
Cisco Secure Email Gateway CVE-2026-76519 (CVSS 9.8): Exploited in the Wild, CISA KEV Added 14 Oct
A critical path traversal flaw in the Cisco Secure Email Gateway AMP protection module allows an unauthenticated remote attacker to write arbitrary files and execute commands as root by sending a crafted email attachment. Cisco confirmed exploitation in October 2026 and CISA added it to the KEV on 14 October. Apply Cisco's patch immediately; no workaround is available for the unauthenticated attack vector.
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