Secure Email Gateway
Summary iPlain-English security verdict for Secure Email Gateway, generated from its current health score, actively-exploited vulnerabilities, and latest supported version.
Secure Email Gateway currently scores 20/100 — critical, with active exploitation. 1 of its known vulnerability is being actively exploited in the wild (CISA KEV), including CVE-2026-76461. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
Disclosure trend iNew CVEs published for Secure Email Gateway each year (NVD). A higher bar means more disclosures that year — more scrutiny, not necessarily less safe.
Patch priority — what to act on iThe issues to fix first — actively exploited (CISA KEV) first, then by exploitation probability (EPSS), then severity. Each row's "→ fixed in" is the earliest version that patches it; "see advisory" means no fixed version is published.
Most urgent first — actively exploited, then likeliest to be exploited.
CVE-2026-76461 CRITICAL exploited SQL injection EPSS — → see advisory CVE-2024-20401 CRITICAL CWE-36 EPSS 2% → fixed in 15.5.1-055 CVE-2026-20353 CRITICAL CWE-664 EPSS — → see advisory CVE-2026-76440 CRITICAL Path traversal EPSS — → see advisory CVE-2026-76443 CRITICAL CWE-707 EPSS — → see advisorySee all 10 known Secure Email Gateway CVEs & security history →
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Frequently asked
Is Secure Email Gateway safe and patched?
Secure Email Gateway currently scores 20/100 — critical, with active exploitation. 1 of its known vulnerability is being actively exploited in the wild (CISA KEV), including CVE-2026-76461. Upgrade immediately and review your exposure to the actively-exploited CVEs below.
What should I do about Secure Email Gateway now?
Review the patch-priority list, apply the available fixes (or move to the latest release), and confirm against Cisco's official advisory. Some issues are under active exploitation, so treat this as urgent.
Why is Secure Email Gateway listed on IsItPatched?
Secure Email Gateway was added automatically because CISA's Known Exploited Vulnerabilities (KEV) catalog flagged it as actively exploited in the wild. IsItPatched tracks its known CVEs, severity (CVSS), exploitation probability (EPSS) and KEV status from public data; its version and lifecycle mapping is verified over time.
lifecycle unknown — needs latest supported version
Latest security news for Secure Email Gateway BETA
Attributed third-party reporting linked to Secure Email Gateway — newest first. We surface and link the source; we don’t assert our own findings. About Emerging →
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Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Cisco's official advisory before you patch or upgrade.