CVE-2026-76497
Full vulnerability record from the local CVENow database.
Description
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.
Severity
MEDIUM
CVSS score
6.6
(v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-10-21 17:19:09.310000
Last modified
2026-10-22 14:17:49.377000
View original CVE JSON
{
"id": "CVE-2026-76497",
"sourceIdentifier": "[email protected]",
"published": "2026-10-21T17:19:09.310",
"lastModified": "2026-10-22T14:17:49.377",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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. \r\n\r\nThe 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."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Cisco",
"product": "Cisco TelePresence Video Communication Server (VCS) Expressway",
"defaultStatus": "unknown",
"versions": [
{
"version": "X8.11.2",
"status": "affected"
},
{
"version": "X8.6",
"status": "affected"
},
{
"version": "X8.11.3",
"status": "affected"
},
{
"version": "X8.2.2",
"status": "affected"
},
{
"version": "X8.8.3",
"status": "affected"
},
{
"version": "X8.11.0",
"status": "affected"
},
{
"version": "X12.5.2",
"status": "affected"
},
{
"version": "X8.1.1",
"status": "affected"
},
{
"version": "X8.9",
"status": "affected"
},
{
"version": "X12.5.1",
"status": "affected"
},
{
"version": "X12.5.6",
"status": "affected"
},
{
"version": "X8.7.3",
"status": "affected"
},
{
"version": "X12.6.0",
"status": "affected"
},
{
"version": "X8.11.1",
"status": "affected"
},
{
"version": "X8.5",
"status": "affected"
},
{
"version": "X8.9.1",
"status": "affected"
},
{
"version": "X8.10.2",
"status": "affected"
},
{
"version": "X8.8.2",
"status": "affected"
},
{
"version": "X8.5.3",
"status": "affected"
},
{
"version": "X8.1",
"status": "affected"
},
{
"version": "X8.9.2",
"status": "affected"
},
{
"version": "X8.11.4",
"status": "affected"
},
{
"version": "X12.5.4",
"status": "affected"
},
{
"version": "X8.8.1",
"status": "affected"
},
{
"version": "X8.2.1",
"status": "affected"
},
{
"version": "X8.5.1",
"status": "affected"
},
{
"version": "X8.6.1",
"status": "affected"
},
{
"version": "X8.1.2",
"status": "affected"
},
{
"version": "X8.8",
"status": "affected"
},
{
"version": "X8.10.0",
"status": "affected"
},
{
"version": "X12.5.3",
"status": "affected"
},
{
"version": "X8.10.1",
"status": "affected"
},
{
"version": "X12.5.7",
"status": "affected"
},
{
"version": "X8.10.3",
"status": "affected"
},
{
"version": "X8.7.1",
"status": "affected"
},
{
"version": "X8.2",
"status": "affected"
},
{
"version": "X12.5.8",
"status": "affected"
},
{
"version": "X8.7",
"status": "affected"
},
{
"version": "X8.5.2",
"status": "affected"
},
{
"version": "X12.5.9",
"status": "affected"
},
{
"version": "X12.5.0",
"status": "affected"
},
{
"version": "X8.10.4",
"status": "affected"
},
{
"version": "X8.7.2",
"status": "affected"
},
{
"version": "X12.5.5",
"status": "affected"
},
{
"version": "X12.6.1",
"status": "affected"
},
{
"version": "X12.6.2",
"status": "affected"
},
{
"version": "X12.6.3",
"status": "affected"
},
{
"version": "X12.6.4",
"status": "affected"
},
{
"version": "X12.7.0",
"status": "affected"
},
{
"version": "X12.7.1",
"status": "affected"
},
{
"version": "X14.0.0",
"status": "affected"
},
{
"version": "X14.0.1",
"status": "affected"
},
{
"version": "X14.0.2",
"status": "affected"
},
{
"version": "X14.0.3",
"status": "affected"
},
{
"version": "X14.0.4",
"status": "affected"
},
{
"version": "X14.0.5",
"status": "affected"
},
{
"version": "X14.0.6",
"status": "affected"
},
{
"version": "X14.0.7",
"status": "affected"
},
{
"version": "X14.0.8",
"status": "affected"
},
{
"version": "X14.2.0",
"status": "affected"
},
{
"version": "X14.0.9",
"status": "affected"
},
{
"version": "X14.2.1",
"status": "affected"
},
{
"version": "X14.2.2",
"status": "affected"
},
{
"version": "X14.0.11",
"status": "affected"
},
{
"version": "X14.2.5",
"status": "affected"
},
{
"version": "X14.0.10",
"status": "affected"
},
{
"version": "X14.2.6",
"status": "affected"
},
{
"version": "X14.2.7",
"status": "affected"
},
{
"version": "X14.3.0",
"status": "affected"
},
{
"version": "X14.3.1",
"status": "affected"
},
{
"version": "X14.3.2",
"status": "affected"
},
{
"version": "X14.3.3",
"status": "affected"
},
{
"version": "X15.0.0",
"status": "affected"
},
{
"version": "X14.3.4",
"status": "affected"
},
{
"version": "X14.3.5",
"status": "affected"
},
{
"version": "X15.0.1",
"status": "affected"
},
{
"version": "X15.0.2",
"status": "affected"
},
{
"version": "X15.0.3",
"status": "affected"
},
{
"version": "X14.3.6",
"status": "affected"
},
{
"version": "X15.2.0",
"status": "affected"
},
{
"version": "X15.2.1",
"status": "affected"
},
{
"version": "X15.2.2",
"status": "affected"
},
{
"version": "X15.2.3",
"status": "affected"
},
{
"version": "X14.3.7",
"status": "affected"
},
{
"version": "X15.2.4.",
"status": "affected"
},
{
"version": "X15.2.4",
"status": "affected"
},
{
"version": "X15.3.0",
"status": "affected"
},
{
"version": "X15.3.1",
"status": "affected"
},
{
"version": "X15.3.2",
"status": "affected"
},
{
"version": "X15.4.0",
"status": "affected"
},
{
"version": "X15.5.0",
"status": "affected"
},
{
"version": "X15.5.1",
"status": "affected"
},
{
"version": "X15.5.2",
"status": "affected"
},
{
"version": "X15.5.3",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H",
"baseScore": 6.6,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.3,
"impactScore": 5.2
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-10-21T17:11:28.451935Z",
"id": "CVE-2026-76497",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-377"
}
]
}
],
"references": [
{
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-exwy-hardening-FhcqBVcs",
"source": "[email protected]"
}
]
}