{"id":"CVE-2026-76527","kind":"vulnerability","aliases":["CVE-2026-76527"],"related":[],"title":"Cisco: hardening release fixes unspecified flaws in exception handling","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-2026-76527 are related to improper check or handling of exceptional conditions and are grouped under the Common Weakness Enumeration (CWE) CWE-703.","summary":"Cisco published a software hardening release after an internal security review, grouping several internally found flaws under CWE-703 (improper check or handling of exceptional conditions). The sources do not name the affected products, the impact, or what an attacker could gain.","severity":"unknown","cvss":null,"epss":0.00134,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["cisco","vendor"],"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":"vendor","confidence":0.3,"triage":{"at":"2026-10-25T05:00:39Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"unknown","title":"Cisco: hardening release fixes unspecified flaws in exception handling","impact":"medium","summary":"Cisco published a software hardening release after an internal security review, grouping several internally found flaws under CWE-703 (improper check or handling of exceptional conditions). The sources do not name the affected products, the impact, or what an attacker could gain.","category":"vendor","nicknames":[],"who_cares":["cisco"],"confidence":0.3,"needs_auth":"unknown","worst_case":"unknown","analyst_note":"Find the Cisco security advisory for CVE-2026-76527 to identify affected products, fixed versions and impact; the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-76527 lacks product detail.","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":0.000521,"input_tokens":3396,"output_tokens":363,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':11A,14A,100C '-703':36B,122C '-76527':12A,15A,101C 'address':90C 'affect':50B 'attack':57B 'check':38B,106C 'cisco':1A,16B,18B,63C,73C 'commit':66C 'common':117C 'comprehens':77C 'condit':43B,111C 'conduct':75C 'could':58B 'cve':10A,13A,99C 'cwe':35B,120C,121C 'discov':93C 'enumer':119C 'except':8A,42B,110C 'fix':4A 'flaw':6A,33B 'found':32B 'gain':59B 'group':29B,114C 'handl':9A,40B,108C 'harden':2A,22B,87C 'impact':53B 'improp':37B,105C 'intern':26B,31B,78C,92C 'multipl':91C 'name':48B 'ongo':65C 'part':61C 'proactiv':68C 'product':51B,71C 'publish':19B 'qualiti':72C 'relat':103C 'releas':3A,23B,88C 'result':83C 'review':28B,80C,82C 'secur':27B,69C,79C 'sever':30B 'softwar':21B,86C 'sourc':45B 'track':97C 'unspecifi':5A 'vendor':17B 'vulner':94C,96C 'weak':118C","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-2026-76527","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76527","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-2026-76527","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-76527","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"}