CVE-2026-76487
Cisco Unified Communications Manager Improper Access Control Vulnerability
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to conduct access control bypass attacks on an affected device. This vulnerability is due to improper input validation for specific HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to access parts of the network that are beyond the scope of their intended access.
| CWE | CWE-749 |
| Vendor | cisco |
| Product | cisco unified communications manager |
| Ecosystems | |
| Industries | NetworkingTelecommunications |
| Published | Oct 21, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
Cisco / Cisco Unified Communications Manager
14 14SU1 14SU2 14SU3 15 15SU1 14SU4 14SU4a 15SU1a 15SU2 15.0.1.13010-1 15.0.1.13011-1 15.0.1.13012-1 15.0.1.13013-1 15.0.1.13014-1 15.0.1.13015-1 15.0.1.13016-1 15.0.1.13017-1 15SU3a 14SU5 15SU4 15SU4a 14SU6