CVE-2026-76442

Unspecified impact via improper quantity validation

Published Sep 14, 2026 · Updated Sep 14, 2026

Improper quantity validation in Cisco Secure Email and Secure Email and Web Manager allows attackers to cause unspecified impact. Cisco has disclosed only that an unspecified component incorrectly validates an input-specified quantity, without naming the quantity, input path, or resulting operation. The required access, affected configuration, and bounded security consequence have not been published.

CVSS severityUnavailable
Unscored
EPSS probability0.35%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper quantity validation in Cisco Secure Email and Secure Email and Web Manager allows attackers to cause unspecified impact. Cisco has disclosed only that an unspecified component incorrectly validates an input-specified quantity, without naming the quantity, input path, or resulting operation. The required access, affected configuration, and bounded security consequence have not been published.

The record

CVE
CVE-2026-76442
Published
Sep 14, 2026
Updated
Sep 14, 2026
Vendor
Cisco
Product
Cisco Secure Email
Classifications
CWE-1284
Attack vector
Unavailable
Privileges
Unavailable

Timeline

How it unfolded

  1. Sep 14, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=13.0.0-392
  2. Affected versionversion=13.0.5-007
  3. Affected versionversion=13.5.1-277
  4. Affected versionversion=13.5.4-038
  5. Affected versionversion=14.0.0-698
  6. Affected versionversion=14.2.0-620
  7. Affected versionversion=14.2.1-020
  8. Affected versionversion=14.3.0-032
  9. Affected versionversion=15.0.0-104
  10. Affected versionversion=15.0.1-030
  11. Affected versionversion=15.0.3-002
  12. Affected versionversion=15.0.5-016
  13. Affected versionversion=15.5.0-048
  14. Affected versionversion=15.5.1-055
  15. Affected versionversion=15.5.2-018
  16. Affected versionversion=15.5.3-022
  17. Affected versionversion=15.5.4-012
  18. Affected versionversion=16.0.0-050
  19. Affected versionversion=16.0.0-054
  20. Affected versionversion=16.0.1-017
  21. Affected versionversion=16.0.2-112
  22. Affected versionversion=16.0.3-044
  23. Affected versionversion=16.0.4-016
  24. Affected versionversion=16.5.0-780

What conditions does exploitation require?

Attack vectorUnavailable in this record.
Required privilegesUnavailable in this record.

What is affected?

Cisco · Cisco Secure Emailversion=13.0.0-392; version=13.0.5-007; version=13.5.1-277; version=13.5.4-038; version=14.0.0-698; version=14.2.0-620; version=14.2.1-020; version=14.3.0-032; version=15.0.0-104; version=15.0.1-030; version=15.0.3-002; version=15.0.5-016; version=15.5.0-048; version=15.5.1-055; version=15.5.2-018; version=15.5.3-022; version=15.5.4-012; version=16.0.0-050; version=16.0.0-054; version=16.0.1-017; version=16.0.2-112; version=16.0.3-044; version=16.0.4-016; version=16.5.0-780
Cisco · Cisco Secure Email and Web Managerversion=12.8.1-002; version=12.8.1-021; version=13.0.0-249; version=13.0.0-277; version=13.6.1-201; version=13.6.2-023; version=13.6.2-078; version=13.8.1-052; version=13.8.1-068; version=13.8.1-074; version=13.8.1-108; version=14.0.0-404; version=14.1.0-227; version=14.2.0-203; version=14.2.0-212; version=14.2.0-224; version=14.3.0-120; version=15.0.0-334; version=15.0.1-035; version=15.0.2-007; version=15.5.1-024; version=15.5.1-029; version=15.5.2-005; version=15.5.3-017; version=15.5.4-007; version=16.0.0-195; version=16.0.1-010; version=16.0.2-088; version=16.0.3-016; version=16.0.4-010; version=16.5.0-429

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
VectorUnavailable
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1284Improper Validation of Specified Quantity in Input

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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