CVE-2026-76487 Cisco Unified Communications Manager Improper Access Control Vulnerability
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-76487?
CVE-2026-76487 is a medium-severity vulnerability in Cisco Unified Communications Manager, published on 21 Oct 2026.
Official description
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.
Weakness: CWE-749
Which versions are affected by CVE-2026-76487?
How do I fix CVE-2026-76487?
No fix has been published for CVE-2026-76487 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-76487 being exploited?
There is no known exploitation of CVE-2026-76487 in the wild and no public exploit code.
Sources
Also known as GHSA-r6hq-g55g-5h8h.