01 Record
CVE-2026-76473
Cisco Unified Communications Products Hardening Release: October 2026 - Improper control of a resource through its lifetime.
CriticalPUBLISHEDCNA: cisco
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
02 Description
Cisco Unified Communications Products Hardening Release: October 2026 - Improper control of a resource through its lifetime.
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.49% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 41.8% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-27.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-21 16:14Z7 DAYS AGO
- Last updated
- 2026-10-27 17:30Z1 DAY AGO
- Reserved
- 2026-08-19
- Assigning CNA
- cisco
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class
- Data version
- 5.2
- Document digest
- 07e4997c50cbc586212f44dfcf28d3a4c89663d8d63b2ee3d4bd78a24428ae55
05 Affected products
VendorProductVersionsPlatforms
CiscoCisco Emergency Responder14, 14SU1, 14SU2, 14SU3, 14SU3a, 15, 15SU1, 15SU1a, 14SU4, 15SU2, 15SU3, 14SU5, 15SU4, 14SU6—
CiscoCisco Unified Communications Manager14, 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—
CiscoCisco Unified Communications Manager IM and Presence Service14, 14SU1, 14SU2, 14SU2a, 14SU3, 15, 15SU1, 14SU4, 15SU2, 15SU3, 14SU5, 15SU4, 14SU6—
CiscoCisco Unity Connection14, 14SU1, 14SU2, 14SU3, 14SU3a, 15, 15SU1, 14SU4, 15SU2, 15SU3, 14SU5, 15SU4, 14SU6—
06 References
- sec.cloudapps.cisco.comcisco-sa-voice-hardening-twgbH9e3https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voice-hardening-twgbH9e3