{"id":"CVE-2026-112442","kind":"vulnerability","aliases":["CVE-2026-112442"],"related":[],"title":"Apple macOS: race condition lets an app modify protected file system","description":"A race condition was addressed with additional validation. 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 modify protected parts of the file system.","summary":"A race condition in macOS was fixed with extra validation. An app on the machine may be able to change protected parts of the file system.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple-devices","infrastructure","macos"],"not_affected_if":["patched-macos"],"how_to_check":"- Run `sw_vers -productVersion` and compare against the fixed builds in the sources\n- unknown","fix":"- Update macOS to `27.2` (Golden Gate), `15.8.2` (Sequoia) or `26.7.2` (Tahoe) or later\n- unknown","status":"open","published_at":"2026-10-26T21:17:34+00:00","first_seen_at":"2026-10-26T21:20:25+00:00","triaged_at":"2026-10-26T21:31:38+00:00","updated_at":"2026-10-26T21:31:38+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-26T21:31:38Z","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\n- unknown","reach":"local","title":"Apple macOS: race condition lets an app modify protected file system","impact":"high","summary":"A race condition in macOS was fixed with extra validation. An app on the machine may be able to change protected parts of the file system.","category":"infrastructure","nicknames":[],"who_cares":["macos","apple-devices"],"confidence":0.5,"needs_auth":"unknown","worst_case":"Local app changes protected system files on the Mac","analyst_note":"Check Apple's security release notes for CVE-2026-112442 to confirm the affected versions, the trigger and whether exploitation is known.","how_to_check":"- Run `sw_vers -productVersion` and compare against the fixed builds in the sources\n- unknown","needs_analyst":true,"not_affected_if":["patched-macos"],"who_is_affected":"Any Mac running an affected macOS release before the fixed versions named in the sources. The sources do not say which configurations or apps are needed to trigger it, so unknown.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000547,"input_tokens":3268,"output_tokens":440,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112442':14A,17A '-2026':13A,16A '15.8.2':68C '26.7.2':71C '27.2':65C 'abl':40B,76C 'addit':55C 'address':53C 'app':7A,34B,73C 'appl':1A,19B 'apple-devic':18B 'chang':42B 'condit':4A,25B,51C 'cve':12A,15A 'devic':20B 'extra':31B 'file':10A,47B,83C 'fix':29B,60C 'gate':64C 'golden':63C 'infrastructur':21B 'issu':58C 'let':5A 'machin':37B 'maco':2A,22B,27B,62C,66C,69C 'may':38B,74C 'modifi':8A,78C 'part':44B,80C 'protect':9A,43B,79C 'race':3A,24B,50C 'sequoia':67C 'system':11A,48B,84C 'taho':70C 'valid':32B,56C","nicknames":[],"mitigations":[],"who_affected":"Any Mac running an affected macOS release before the fixed versions named in the sources. The sources do not say which configurations or apps are needed to trigger it, so unknown.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:17:34+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112442","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112442","severity":null,"published_at":"2026-10-26T21:17:34+00:00","modified_at":"2026-10-26T21:17:34+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"}