7.5

CVE-2026-76442: cisco cisco secure email

CVSS: 7.5v3.1HighAwaiting analysis
Published 14-09-2026Last modified 16-09-2026
Open JSON

Vulnerability summary

CVE-2026-76442 is a high (CVSS 7.5) vulnerability in cisco cisco secure email. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.1% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.47%
0%100%
Low · +0.12 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-09-2026
    PublishedVulnerability first disclosed.
  2. 16-09-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.47%

Chance of exploitation in the next 30 days

Percentile

39%

Versus all other CVEs

30-day change

+0.12 pp

From 0.35% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.47%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco2 products
  • cisco secure email14.0.0-698 | 13.5.1-277 | 13.0.0-392 | 14.2.0-620 | 13.0.5-007 | 13.5.4-038 | 14.2.1-020 | 14.3.0-032 | 15.0.0-104 | 15.0.1-030 | 15.5.0-048 | 15.5.1-055 | 15.5.2-018 | 16.0.0-050 | 15.0.3-002 | 16.0.0-054 | 15.5.3-022 | 16.0.1-017 | 15.5.4-012 | 16.0.4-016 | 15.0.5-016 | 16.0.2-112 | 16.0.3-044 | 16.5.0-780
  • cisco secure email and web manager13.6.2-023 | 13.6.2-078 | 13.0.0-249 | 13.0.0-277 | 13.8.1-052 | 13.8.1-068 | 13.8.1-074 | 14.0.0-404 | 12.8.1-002 | 14.1.0-227 | 13.6.1-201 | 14.2.0-203 | 14.2.0-212 | 12.8.1-021 | 13.8.1-108 | 14.2.0-224 | 14.3.0-120 | 15.0.0-334 | 15.5.1-024 | 15.5.1-029 | 15.5.2-005 | 16.0.0-195 | 15.5.3-017 | 16.0.1-010 | 15.0.1-035 | 16.0.2-088 | 15.5.4-007 | 15.0.2-007 | 16.0.4-010 | 16.0.3-016 | 16.5.0-429

1 vendor · 2 products

References

2 links