{"id":"CVE-2026-86914","kind":"vulnerability","aliases":["CVE-2026-86914"],"related":[],"title":"Apple macOS: app can read sensitive network connection information","description":"An information disclosure issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to access sensitive network connection information.","summary":"Apple macOS has an information disclosure flaw in its state management that lets an app access sensitive network connection details. An attacker who controls a local app gets network connection information it should not see.","severity":"medium","cvss":5.5,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple","endpoints","infrastructure","macos"],"not_affected_if":["already-patched-macos"],"how_to_check":"- Run `sw_vers -productVersion` on each Mac and compare against the fixed releases listed in the fix section.","fix":"- Update macOS to `27` (Golden Gate), `15.8` (Sequoia), or `26.7` (Tahoe), or later.","status":"open","published_at":"2026-10-20T01:17:27+00:00","first_seen_at":"2026-10-23T21:57:19+00:00","triaged_at":"2026-10-25T04:12:39+00:00","updated_at":"2026-10-25T04:12:39+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-25T04:12:39Z","model":"claude-haiku-5-5","output":{"fix":"- Update macOS to `27` (Golden Gate), `15.8` (Sequoia), or `26.7` (Tahoe), or later.","reach":"local","title":"Apple macOS: app can read sensitive network connection information","impact":"low","summary":"Apple macOS has an information disclosure flaw in its state management that lets an app access sensitive network connection details. An attacker who controls a local app gets network connection information it should not see.","category":"infrastructure","nicknames":[],"who_cares":["macos","apple","endpoints"],"confidence":0.6,"needs_auth":"unknown","worst_case":"A local app reads sensitive network connection information from the Mac.","analyst_note":"","how_to_check":"- Run `sw_vers -productVersion` on each Mac and compare against the fixed releases listed in the fix section.","needs_analyst":false,"not_affected_if":["already-patched-macos"],"who_is_affected":"Any Mac running a macOS release older than the fixed versions is affected, since the flaw sits in the operating system itself. Exposure depends on a local app being able to run on the machine, so managed machines running only trusted software carry less practical risk. Systems already on the fixed releases can skip it.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000554,"input_tokens":3277,"output_tokens":452,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-2026':11A,14A '-86914':12A,15A '15.8':76C '26.7':79C '27':73C 'abl':84C 'access':35B,86C 'address':60C 'app':3A,34B,46B,81C 'appl':1A,16B,20B 'attack':41B 'connect':8A,38B,49B,89C 'control':43B 'cve':10A,13A 'detail':39B 'disclosur':25B,57C 'endpoint':17B 'fix':68C 'flaw':26B 'gate':72C 'get':47B 'golden':71C 'improv':62C 'inform':9A,24B,50B,56C,90C 'infrastructur':18B 'issu':58C,66C 'let':32B 'local':45B 'maco':2A,19B,21B,70C,74C,77C 'manag':30B,64C 'may':82C 'network':7A,37B,48B,88C 'read':5A 'see':54B 'sensit':6A,36B,87C 'sequoia':75C 'state':29B,63C 'taho':78C","nicknames":[],"mitigations":[],"who_affected":"Any Mac running a macOS release older than the fixed versions is affected, since the flaw sits in the operating system itself. Exposure depends on a local app being able to run on the machine, so managed machines running only trusted software carry less practical risk. Systems already on the fixed releases can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T01:17:27+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-86914","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86914","severity":null,"published_at":"2026-10-20T01:17:27+00:00","modified_at":"2026-10-20T15:17:34+00:00","first_seen_at":"2026-10-23T21:57:19+00:00","fetched_at":"2026-10-23T22:28:57+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"}