ThreatsDay: Adobe RCE, DNS Wallet Theft, NVIDIA Container Escape, Self-Healing Backdoor + 23 More · 2h Silent Lynx Exploitat WinRAR Vitium ad Instruendum Reverse Shell in Attacis Regni CIS · 5h NGINX Corrigit 5 Vitia, Inclusa Possibili RCE et Bug TLS Qui Potest Saltare Client-Cert Checks · 8h Next.js Emittit Emendationem Extra Ordinem pro Duobus Criticis RCE Defectibus in Caching et SVG Processu · 8h Drupal Patches Criticum Core RCE Vitium Sine Login Via Contributis Modulis · 9h Vulnerabilitas in software Sparx Systems Enterprise Architect · 9h Curl verhelpt 'high' RCE-kwetsbaarheid gevonden door Anthropic · 9h Vulnerabilitates in Slican telephonis · 10h Palo Alto Networks monet ad abusum vulnerabilitatis in ignibus securitatis · 13h Cisco nuntiat activum abusus criticae vulnerabilitatis in Secure Email Gateway · 14h ThreatsDay: Adobe RCE, DNS Wallet Theft, NVIDIA Container Escape, Self-Healing Backdoor + 23 More · 2h Silent Lynx Exploitat WinRAR Vitium ad Instruendum Reverse Shell in Attacis Regni CIS · 5h NGINX Corrigit 5 Vitia, Inclusa Possibili RCE et Bug TLS Qui Potest Saltare Client-Cert Checks · 8h Next.js Emittit Emendationem Extra Ordinem pro Duobus Criticis RCE Defectibus in Caching et SVG Processu · 8h Drupal Patches Criticum Core RCE Vitium Sine Login Via Contributis Modulis · 9h Vulnerabilitas in software Sparx Systems Enterprise Architect · 9h Curl verhelpt 'high' RCE-kwetsbaarheid gevonden door Anthropic · 9h Vulnerabilitates in Slican telephonis · 10h Palo Alto Networks monet ad abusum vulnerabilitatis in ignibus securitatis · 13h Cisco nuntiat activum abusus criticae vulnerabilitatis in Secure Email Gateway · 14h

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CVE-2026-20353

CRITICAL CVSS 9.8 CVSS 3.1 📌 Awaiting Analysis

CVE-2026-20353 - Cisco Secure Email Gateway Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.

The vulnerabilities tracked by CVE-2026-20353 are related to issues with improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664.

Publicatum: Sep 14, 2026 17:17

Ultima Mutatio: Sep 15, 2026 18:17