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CISA lists this Cisco Secure Email Gateway vulnerability as known exploited. Check the cited references and original publisher guidance for affected products and remediation.
Cisco Secure Email Gateway contains a relative path traversal vulnerability that could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system.
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Explore global source statements, affected packages and advisory history for CVE-2026-76519. The catalog has a separate collection scope from Microsoft release records.
CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.
CISA KEV listing collected · added 14 Oct 2026 · Cisco · Secure Email Gateway
Cisco Secure Email Gateway contains a relative path traversal vulnerability that could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system.
CISA source · CISA-cited reference
EPSS unknown / outside the collected prediction scope.
Observed 23 Oct 2026 16:01:26 UTC · Complete immutable risk JSON
A vulnerability in the Advanced Malware Protection (AMP) feature of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system. This vulnerability is due to improper handling of email attachments when the file reputation service is enabled. An attacker could exploit this vulnerability by sending an email that contains a crafted attachment through an affected device. A successful exploit could allow the attacker to write arbitrary files and execute commands with root privileges on the underlying operating system.
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CVSS 3.1 · 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H