{"schema":"threatline.record/2","record":{"id":"CVE-2026-76497","aliases":[],"summary":"Cisco Expressway Series Software Hardening Release: October 2026 - Insecure Temporary File Vulnerabilities","details":"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.","categories":["Network & edge"],"product":"Cisco TelePresence Video Communication Server (VCS) Expressway","vendor":"Cisco","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-76497","source_modified_at":"2026-10-22T13:37:51.735Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Cisco TelePresence Video Communication Server (VCS) Expressway","vendor":"Cisco","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"}],"defaultStatus":"unknown"}],"fixed_versions":[],"cvss":6.6,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00116,"percentile":0.01519,"score_date":"2026-10-23"},"published_at":"2026-10-21T16:18:13.854Z","modified_at":"2026-10-22T13:37:51.735Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-76497","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-22T13:37:51.735Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-76497","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-exwy-hardening-FhcqBVcs"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-21T17:11:28.451935Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-22T13:37:51.735Z","content_hash":"7374997ceb202221a2a265c78f2daed4b3a230d68160b15f97216858540afcc2"}}