{"id":"CVE-2026-112428","kind":"vulnerability","aliases":["CVE-2026-112428"],"related":[],"title":"Apple macOS: logic flaw lets an app bypass Gatekeeper checks","description":"A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may bypass Gatekeeper checks.","summary":"A logic issue in macOS let an app bypass Gatekeeper, the system check that verifies software before it opens. Apple fixed it in macOS Golden Gate 27.2, Sequoia 15.8.2 and Tahoe 26.7.2, and the sources do not say what an attacker gets beyond that bypass.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple","endpoints","infrastructure","macos"],"not_affected_if":["already-patched"],"how_to_check":"- Run `sw_vers -productVersion` and compare against the fixed versions: `27.2`, `15.8.2`, `26.7.2`.\n- unknown for any other check; the sources do not say.","fix":"- Update macOS to `27.2` (Golden Gate), `15.8.2` (Sequoia) or `26.7.2` (Tahoe), whichever matches the installed release.","status":"open","published_at":"2026-10-26T21:17:32+00:00","first_seen_at":"2026-10-26T21:20:25+00:00","triaged_at":"2026-10-26T21:31:43+00:00","updated_at":"2026-10-26T21:31:43+00:00","category":"infrastructure","confidence":0.4,"triage":{"at":"2026-10-26T21:31:43Z","model":"claude-haiku-5-5","output":{"fix":"- Update macOS to `27.2` (Golden Gate), `15.8.2` (Sequoia) or `26.7.2` (Tahoe), whichever matches the installed release.","reach":"local","title":"Apple macOS: logic flaw lets an app bypass Gatekeeper checks","impact":"medium","summary":"A logic issue in macOS let an app bypass Gatekeeper, the system check that verifies software before it opens. Apple fixed it in macOS Golden Gate 27.2, Sequoia 15.8.2 and Tahoe 26.7.2, and the sources do not say what an attacker gets beyond that bypass.","category":"infrastructure","nicknames":[],"who_cares":["macos","apple","endpoints"],"confidence":0.4,"needs_auth":"unknown","worst_case":"unknown; sources say only that an app may bypass Gatekeeper","analyst_note":"Find Apple's security notes for this CVE to confirm the attack prerequisites and whether the bypass leads to code execution.","how_to_check":"- Run `sw_vers -productVersion` and compare against the fixed versions: `27.2`, `15.8.2`, `26.7.2`.\n- unknown for any other check; the sources do not say.","needs_analyst":true,"not_affected_if":["already-patched"],"who_is_affected":"Mac machines running macOS releases older than the fixed versions named in the advisory. The sources do not say whether a managed or non-default configuration changes exposure. Teams that already run the fixed builds can skip it.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000611,"input_tokens":3269,"output_tokens":569,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112428':13A,16A '-2026':12A,15A '15.8.2':49B,85C '26.7.2':52B,88C '27.2':47B,82C 'address':70C 'app':7A,28B,90C 'appl':1A,17B,40B 'attack':61B 'beyond':63B 'bypass':8A,29B,65B,92C 'check':10A,33B,73C,94C 'cve':11A,14A 'endpoint':18B 'fix':41B,77C 'flaw':4A 'gate':46B,81C 'gatekeep':9A,30B,93C 'get':62B 'golden':45B,80C 'improv':72C 'infrastructur':19B 'issu':23B,68C,75C 'let':5A,26B 'logic':3A,22B,67C 'maco':2A,20B,25B,44B,79C,83C,86C 'may':91C 'open':39B 'say':58B 'sequoia':48B,84C 'softwar':36B 'sourc':55B 'system':32B 'taho':51B,87C 'verifi':35B","nicknames":[],"mitigations":[],"who_affected":"Mac machines running macOS releases older than the fixed versions named in the advisory. The sources do not say whether a managed or non-default configuration changes exposure. Teams that already run the fixed builds can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:17:32+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112428","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112428","severity":null,"published_at":"2026-10-26T21:17:32+00:00","modified_at":"2026-10-26T21:17:32+00:00","first_seen_at":"2026-10-26T21:20:25+00:00","fetched_at":"2026-10-26T21:20:25+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"}