CVE-2026-76442

HIGH

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...

Affects 0 products across 1 vendor.

CVSS 3.17.5
EPSS0.5%
Percentile38th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, no confidentiality impact, no integrity impact, full availability impact.
CWE Weakness Definitions
CWE-1284: CWE-1284
◆ AI Analysis — automated analysis, not human-reviewed

A high severity vulnerability (CVE-2026-76442) affects the target system. 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 so...

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Frequently Asked Questions
What is CVE-2026-76442?
A high severity vulnerability (CVE-2026-76442) affects the target system. 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 so...
What is the CVSS score for CVE-2026-76442?
CVE-2026-76442 has CVSS 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS: 0.5%.
Is CVE-2026-76442 actively exploited?
No confirmed active exploitation of CVE-2026-76442 as of 2026-09-25.
How do I remediate CVE-2026-76442?
Apply vendor patches for CVE-2026-76442. Monitor Cisco advisories.
What systems are affected by CVE-2026-76442?
CVE-2026-76442 affects: Cisco.
Vulnerability Details
CVE IDCVE-2026-76442
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published2026-09-14
Last Modified2026-09-16
ICS Relevance55%
Weakness (CWE)
CWE-1284
SourceNVD
Official Description

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-2026-76442 are related to issues with improper validation of specified quantity in input that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-1284.

Source: NIST NVD / MITRE CVE Database

Affected Products
VendorProductFixed Version
Cisco — —
Remediation

No patch URL on record. Monitor vendor security advisories directly.

Threat Intelligence
● Threat Intelligence Validated: September 2026 | Threat Age: 13 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
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