{"id":"CVE-2026-76301","kind":"vulnerability","aliases":["CVE-2026-76301"],"related":[],"title":"Cisco: hardening release fixes several internal protection-mechanism weaknesses","description":"As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76301 are related to protection mechanism failure and are grouped under the Common Weakness Enumeration (CWE) CWE-693.","summary":"Cisco's internal security review found multiple protection mechanism failures (CWE-693) and shipped a hardening release to address them. The sources do not say which Cisco product is affected or what an attacker could do with these flaws.","severity":"unknown","cvss":null,"epss":0.0017,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["cisco","infrastructure"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-21T23:17:28+00:00","first_seen_at":"2026-10-23T21:57:29+00:00","triaged_at":"2026-10-25T05:01:57+00:00","updated_at":"2026-10-25T05:01:57+00:00","category":"infrastructure","confidence":0.3,"triage":{"at":"2026-10-25T05:01:57Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"unknown","title":"Cisco: hardening release fixes several internal protection-mechanism weaknesses","impact":"medium","summary":"Cisco's internal security review found multiple protection mechanism failures (CWE-693) and shipped a hardening release to address them. The sources do not say which Cisco product is affected or what an attacker could do with these flaws.","category":"infrastructure","nicknames":[],"who_cares":["cisco"],"confidence":0.3,"needs_auth":"unknown","worst_case":"unknown","analyst_note":"Find the affected Cisco product, versions and advisory text at the NVD entry https://nvd.nist.gov/vuln/detail/CVE-2026-76301 or Cisco's PSIRT page.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000513,"input_tokens":3390,"output_tokens":348,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A,98C '-693':30B,116C '-76301':13A,16A,99C 'address':37B,88C 'affect':48B 'attack':52B 'cisco':1A,17B,19B,45B,61C,71C 'commit':64C 'common':111C 'comprehens':75C 'conduct':73C 'could':53B 'cve':11A,14A,97C 'cwe':29B,114C,115C 'discov':91C 'enumer':113C 'failur':28B,105C 'fix':4A 'flaw':57B 'found':24B 'group':108C 'harden':2A,34B,85C 'infrastructur':18B 'intern':6A,21B,76C,90C 'mechan':9A,27B,104C 'multipl':25B,89C 'ongo':63C 'part':59C 'proactiv':66C 'product':46B,69C 'protect':8A,26B,103C 'protection-mechan':7A 'qualiti':70C 'relat':101C 'releas':3A,35B,86C 'result':81C 'review':23B,78C,80C 'say':43B 'secur':22B,67C,77C 'sever':5A 'ship':32B 'softwar':84C 'sourc':40B 'track':95C 'vulner':92C,94C 'weak':10A,112C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-21T23:17:28+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-76301","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76301","severity":null,"published_at":"2026-10-21T23:17:28+00:00","modified_at":"2026-10-22T16:57:10+00:00","first_seen_at":"2026-10-23T21:57:29+00:00","fetched_at":"2026-10-23T22:29:02+00:00","note":null},{"source":"epss","external_id":"CVE-2026-76301","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-76301","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-24T13:15:54+00:00","fetched_at":"2026-10-24T13:15:54+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}