CVE-2026-76497 json
Cisco Expressway Series Software Hardening Release: October 2026 - Insecure Temporary File Vulnerabilities
published 2026-10-21 18 d ago modified 2026-11-07 45 h ago also EUVD-2026-107360
- cvss
- 6.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 4%
- public exploits
- 0
- none known
Summary
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Expressway Series software 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-2026-76497 are related to issues concerning insecure temporary files that are grouped under the Common Weakness Enumeration (CWE) Base CWE-377.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 d ago
Exploit prediction
0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.6 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H |
Affected products
- Cisco Cisco TelePresence Video Communication Server (VCS) Expressway
Classification
- Weakness
-
- CWE-377 DEPRECATED: Insecure Temporary File
References
Sources
- CVE List CVE-2026-76497
- NVD CVE-2026-76497
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