Vulnerability details
CVE-2026-76519
Actively exploited
Cisco Secure Email
Cisco Secure Email Gateway Arbitrary File Write Vulnerability
CVSS 3.1
9.8Critical
Official description
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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.8Critical | 3.1 | CVEProject cvelistV5 (CNA) (cisco) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Cisco | Cisco Secure Email | 13.0.0-392 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 13.0.5-007 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 13.5.1-277 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 13.5.4-038 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 14.0.0-698 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 14.2.0-620 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 14.2.1-020 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 14.3.0-032 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 15.0.0-104 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 15.0.1-030 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 15.0.3-002 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 15.0.5-016 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 15.5.0-048 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 15.5.1-055 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 15.5.2-018 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 15.5.3-022 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 15.5.4-012 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 16.0.0-050 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 16.0.0-054 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 16.0.1-017 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 16.0.2-112 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 16.0.3-044 | CVEProject cvelistV5 (CNA) |
| Cisco | Cisco Secure Email | 16.0.4-016 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-10-14
- Last updated
- 2026-10-15
- State
- Published
- Assigner (CNA)
- cisco
- Kolun priority
- 87 · Critical
CISA KEV catalog
- Date added
- 2026-10-14
- Due date
- 2026-10-17
- Used in ransomware
- Unknown
Exploit prediction (EPSS)
6.22%
Probability of exploitation in 30 days
93.5%
Percentile (among all CVEs)
- 2026-11-066.22%
- 2026-11-032.15%
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Active
- Technical impact
- Total
Weaknesses (CWE)
- CWE-23Relative Path Traversal