{"id":"CVE-2026-76526","kind":"vulnerability","aliases":["CVE-2026-76526"],"related":[],"title":"Cisco: internal review hardening release fixes unspecified input-neutralization flaws","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-2026-76526 are related to improper neutralization and are grouped under the Common Weakness Enumeration (CWE) CWE-707.","summary":"Cisco published a software hardening release after an internal security review, grouping several internally found flaws under CWE-707 (improper neutralization). The sources do not name the affected Cisco product 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":"2026-10-21T23:17:29+00:00","first_seen_at":"2026-10-23T21:57:29+00:00","triaged_at":"2026-10-25T05:00:39+00:00","updated_at":"2026-10-25T05:00:39+00:00","category":"infrastructure","confidence":0.2,"triage":{"at":"2026-10-25T05:00:39Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"unknown","title":"Cisco: internal review hardening release fixes unspecified input-neutralization flaws","impact":"medium","summary":"Cisco published a software hardening release after an internal security review, grouping several internally found flaws under CWE-707 (improper neutralization). The sources do not name the affected Cisco product or what an attacker could do with these flaws.","category":"infrastructure","nicknames":[],"who_cares":["cisco"],"confidence":0.2,"needs_auth":"unknown","worst_case":"unknown","analyst_note":"Find the Cisco advisory this CVE belongs to and identify the affected product, versions and fixed release; the NVD record gives none of these.","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":0.000503,"input_tokens":3388,"output_tokens":328,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A,99C '-707':38B,116C '-76526':14A,17A,100C 'address':89C 'affect':47B 'attack':53B 'cisco':1A,18B,20B,48B,62C,72C 'commit':65C 'common':111C 'comprehens':76C 'conduct':74C 'could':54B 'cve':12A,15A,98C 'cwe':37B,114C,115C 'discov':92C 'enumer':113C 'fix':6A 'flaw':11A,35B,58B 'found':34B 'group':31B,108C 'harden':4A,24B,86C 'improp':39B,104C 'infrastructur':19B 'input':9A 'input-neutr':8A 'intern':2A,28B,33B,77C,91C 'multipl':90C 'name':45B 'neutral':10A,40B,105C 'ongo':64C 'part':60C 'proactiv':67C 'product':49B,70C 'publish':21B 'qualiti':71C 'relat':102C 'releas':5A,25B,87C 'result':82C 'review':3A,30B,79C,81C 'secur':29B,68C,78C 'sever':32B 'softwar':23B,85C 'sourc':42B 'track':96C 'unspecifi':7A 'vulner':93C,95C 'weak':112C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-21T23:17:29+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-76526","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76526","severity":null,"published_at":"2026-10-21T23:17:29+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-2026-76526","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-76526","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-24T07:15:52+00:00","fetched_at":"2026-10-24T07:15:52+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"}