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- Cisco ASA/FTD SSL VPN zero-day exploited for DoS — patches released (CVE-2026-76418) High · Patch now
- Volt Typhoon 'Silent Train': rotating relay chains used to exploit zero-days in SD-WAN and IT-management platforms Critical · Breach
- Cisco: Snort 3 security hardening release fixes out-of-bounds write, incorrect calculation, privilege management and DoS flaws across multiple products (CVE-2026-20043, CVE-2026-20236, CVE-2026-20291, CVE-2026-20356) Critical · Patch now
- Cisco Unified Communications Products: October 2026 hardening release fixes multiple vulnerabilities across voice/collaboration suite (CVE-2026-76473 to CVE-2026-76481) Critical · Patch now
- Cisco Expressway Series: unauthenticated root RCE via static credentials plus hardening-release batch (CVE-2026-76466) Critical · Patch now
- Cisco IOS XR (ASR 9000/9900 Series): crafted IPv4 packets can reset or shut down line card network processors, causing DoS (CVE-2026-76505) High · Patch now
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