CVE-2026-76479Cisco Unified Communications Products Hardening Release: October 2026 - Path Traversal Vulnerabilities
- 7.8HighCVSS base score
- 0.19%Exploitation in 30 daysEPSS · top 92% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection have conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76479 are related to issues concerning improper limitation of a pathname to a restricted directory that are grouped under the Common Weakness Enumeration (CWE) Base CWE-22.
Timeline
ID reserved
By cisco
- 2 months later
· 2 months later
Published
- 17 days later
· 17 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ciscoCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Awaiting Analysis | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.19% · top 92% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
Cisco · Cisco Emergency Responder
- affected 14
- affected 14SU1
- affected 14SU2
- affected 14SU3
- affected 14SU3a
- affected 15
- affected 15SU1
- affected 15SU1a
- affected 14SU4
- affected 15SU2
- affected 15SU3
- affected 14SU5
- affected 15SU4
- affected 14SU6
Cisco · Cisco Unified Communications Manager
- affected 14
- affected 14SU1
- affected 14SU2
- affected 14SU3
- affected 15
- affected 15SU1
- affected 14SU4
- affected 14SU4a
- affected 15SU1a
- affected 15SU2
- affected 15.0.1.13010-1
- affected 15.0.1.13011-1
- affected 15.0.1.13012-1
- affected 15.0.1.13013-1
- affected 15.0.1.13014-1
- affected 15.0.1.13015-1
- affected 15.0.1.13016-1
- affected 15.0.1.13017-1
- affected 15SU3a
- affected 14SU5
- affected 15SU4
- affected 15SU4a
- affected 14SU6
Cisco · Cisco Unified Communications Manager IM and Presence Service
- affected 14
- affected 14SU1
- affected 14SU2
- affected 14SU2a
- affected 14SU3
- affected 15
- affected 15SU1
- affected 14SU4
- affected 15SU2
- affected 15SU3
- affected 14SU5
- affected 15SU4
- affected 14SU6
Cisco · Cisco Unity Connection
- affected 14
- affected 14SU1
- affected 14SU2
- affected 14SU3
- affected 14SU3a
- affected 15
- affected 15SU1
- affected 14SU4
- affected 15SU2
- affected 15SU3
- affected 14SU5
- affected 15SU4
- affected 14SU6
What to do
Exploitation: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.
References
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-107346 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-76479)Record last updated .