{"id":"CVE-2026-112430","kind":"vulnerability","aliases":["CVE-2026-112430"],"related":[],"title":"Apple macOS: flawed user attribute validation lets an app gain root","description":"An authentication issue was addressed with improved validation of user attributes. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to gain root privileges.","summary":"An authentication check in macOS did not properly validate user attributes, which Apple fixed in several macOS releases. A malicious app running on the Mac may be able to gain root privileges.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple-devices","endpoints","infrastructure","macos"],"not_affected_if":["already-patched-macos"],"how_to_check":"- Run `sw_vers -productVersion` and compare against the fixed versions listed in the fix field\n- Check Software Update in System Settings for pending macOS updates","fix":"- Update macOS to `27.2` (Golden Gate), `15.8.2` (Sequoia), or `26.7.2` (Tahoe) or later","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":0.5,"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) or later","reach":"local","title":"Apple macOS: flawed user attribute validation lets an app gain root","impact":"high","summary":"An authentication check in macOS did not properly validate user attributes, which Apple fixed in several macOS releases. A malicious app running on the Mac may be able to gain root privileges.","category":"infrastructure","nicknames":[],"who_cares":["macos","endpoints","apple-devices"],"confidence":0.5,"needs_auth":"unknown","worst_case":"A local app gains root privileges on the Mac","analyst_note":"Check Apple's security release notes for CVE-2026-112430 to confirm the affected component, prerequisites and whether user interaction is required; the NVD entry gives only the bare description.","how_to_check":"- Run `sw_vers -productVersion` and compare against the fixed versions listed in the fix field\n- Check Software Update in System Settings for pending macOS updates","needs_analyst":true,"not_affected_if":["already-patched-macos"],"who_is_affected":"Any Mac running an macOS release older than the fixed versions could be affected, since the flaw is local to the machine. The sources do not say which configurations or app types are needed to trigger it. unknown whether managed or unmanaged Macs differ.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000589,"input_tokens":3278,"output_tokens":522,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112430':14A,17A '-2026':13A,16A '15.8.2':78C '26.7.2':81C '27.2':75C 'abl':51B,86C 'address':60C 'app':9A,44B,83C 'appl':1A,19B,36B 'apple-devic':18B 'attribut':5A,34B,66C 'authent':25B,57C 'check':26B 'cve':12A,15A 'devic':20B 'endpoint':21B 'fix':37B,70C 'flaw':3A 'gain':10A,53B,88C 'gate':74C 'golden':73C 'improv':62C 'infrastructur':22B 'issu':58C,68C 'let':7A 'mac':48B 'maco':2A,23B,28B,40B,72C,76C,79C 'malici':43B 'may':49B,84C 'privileg':55B,90C 'proper':31B 'releas':41B 'root':11A,54B,89C 'run':45B 'sequoia':77C 'sever':39B 'taho':80C 'user':4A,33B,65C 'valid':6A,32B,63C","nicknames":[],"mitigations":[],"who_affected":"Any Mac running an macOS release older than the fixed versions could be affected, since the flaw is local to the machine. The sources do not say which configurations or app types are needed to trigger it. unknown whether managed or unmanaged Macs differ.","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-2026-112430","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112430","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"}