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Technical advisory

Cisco security advisory (AV26-921)

Official source
EudorIA operational summary

What it means

Priority 95/100

Cisco ha rilevato una vulnerabilità (CVE-2026-76461) nei propri prodotti di gestione email, tra cui Secure Email Gateway e Secure Email and Web Manager. La vulnerabilità è sfruttata attivamente in rete e inclusa nel database KEV di CISA. Gli utenti devono applicare le patch disponibili per mitigare il rischio.

Why it matters

Per le PMI italiane, la vulnerabilità potrebbe permettere agli attaccanti di compromettere la gestione email, esponendo dati sensibili e interrompendo le operazioni. La sua inclusione nel KEV indica un rischio elevato e immediato.

Potential operational benefits

  • Riduzione della superficie esposta alle minacce
  • Miglioramento della visibilità e del controllo sulle attività di rete
  • Minimizzazione del rischio di compromissione dei dati sensibili
  • Aumento della conformità alle normative di sicurezza
Indications to confirm against the customer's technical and organisational perimeter.
Relevant controlsPatch managementFirewall NGFW / IPSMonitoraggio / SIEMSegmentazione di reteHardening
AudienceITSOCCISO
Information centre

Translation in progress

Canadian Centre for Cyber Security

The official content is available in the original language. The Italian version will be published once automated checks are complete.

Text acquired from the source

Serial Number: AV26-921 Date: September 14, 2026 As of September 14, 2026, Cisco is affected by vulnerabilities in the following products: Cisco AsyncOS for Cisco Secure Email Gateway Prior to 15.5.5-014 Prior to 16.0.4-302 Prior to 16.5.0-780 Cisco Secure Email Gateway Prior to 15.5.5-014 Prior to 16.5.0-780 Cisco Secure Email and Web Manager Prior to 15.5.5-006 Prior to 16.5.0-429 On September 14, 2026, Cisco stated that CVE-2026-76461 is being actively exploited. On September 14, 2026, Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2026-76461 to their Known Exploited Vulnerabilities (KEV) Database. The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available. Cisco Secure Email Gateway SQL Injection Vulnerability Cisco Secure Email Gateway and Secure Email and Web Manager Security Hardening Release: September 2026 Cisco Security Advisories CISA KEV: CVE-2026-76461

Source
Canadian Centre for Cyber Security (Canada)
Publishing entity
Canadian Centre for Cyber Security
Entity type
National CSIRT
Area
North America · CA
Original language
en · translation in preparation
Publication
14/09/2026 21:23
MITRE ATT&CK
T1562, T1059
CVE
CVE-2026-76461
Stated country
CA
Technical scope

Affected products and versions

Verification in progress
Information not yet acquired.

The collector will check NVD and the available official vendor advisories.

Open the original source