{"id":"CVE-2026-112477","kind":"vulnerability","aliases":["CVE-2026-112477"],"related":[],"title":"Apple iOS and macOS: race condition lets an app corrupt kernel memory","description":"A race condition was addressed with improved locking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. An app may be able to cause unexpected system termination or corrupt kernel memory.","summary":"A race condition in Apple's operating system software lets a local app crash the system or corrupt kernel memory. Apple fixed it in several iOS, iPadOS, macOS, tvOS, visionOS and watchOS releases.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple-fleet","infrastructure","ios","ipados","macos","tvos","visionos","watchos"],"not_affected_if":["already-on-fixed-version"],"how_to_check":"- Check the installed version under Settings > General > About on iOS, iPadOS, tvOS, visionOS and watchOS, or Apple menu > About This Mac on macOS.\n- Compare against the fixed builds: `iOS 26.7.2`, `iPadOS 26.7.2`, `iOS 27.2`, `iPadOS 27.2`, `macOS Sequoia 15.8.2`, `macOS Tahoe 26.7.2`, `macOS Golden Gate 27.2`, `tvOS 27.2`, `visionOS 27.2`, `watchOS 27.2`.","fix":"- Update iOS and iPadOS to `26.7.2` or `27.2`.\n- Update macOS Sequoia to `15.8.2`, macOS Tahoe to `26.7.2`, or macOS Golden Gate to `27.2`.\n- Update tvOS, visionOS and watchOS to `27.2`.","status":"open","published_at":"2026-10-26T21:17:38+00:00","first_seen_at":"2026-10-26T21:20:26+00:00","triaged_at":"2026-10-26T21:30:06+00:00","updated_at":"2026-10-26T21:30:06+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-26T21:30:06Z","model":"claude-haiku-5-5","output":{"fix":"- Update iOS and iPadOS to `26.7.2` or `27.2`.\n- Update macOS Sequoia to `15.8.2`, macOS Tahoe to `26.7.2`, or macOS Golden Gate to `27.2`.\n- Update tvOS, visionOS and watchOS to `27.2`.","reach":"local","title":"Apple iOS and macOS: race condition lets an app corrupt kernel memory","impact":"high","summary":"A race condition in Apple's operating system software lets a local app crash the system or corrupt kernel memory. Apple fixed it in several iOS, iPadOS, macOS, tvOS, visionOS and watchOS releases.","category":"infrastructure","nicknames":[],"who_cares":["ios","ipados","macos","tvos","visionos","watchos","apple-fleet"],"confidence":0.5,"needs_auth":"unknown","worst_case":"A local app can corrupt kernel memory or crash the system.","analyst_note":"Sources give only the advisory text; check Apple's security release notes for CVE-2026-112477 for affected components and whether exploitation is known.","how_to_check":"- Check the installed version under Settings > General > About on iOS, iPadOS, tvOS, visionOS and watchOS, or Apple menu > About This Mac on macOS.\n- Compare against the fixed builds: `iOS 26.7.2`, `iPadOS 26.7.2`, `iOS 27.2`, `iPadOS 27.2`, `macOS Sequoia 15.8.2`, `macOS Tahoe 26.7.2`, `macOS Golden Gate 27.2`, `tvOS 27.2`, `visionOS 27.2`, `watchOS 27.2`.","needs_analyst":true,"not_affected_if":["already-on-fixed-version"],"who_is_affected":"Every Apple device on an affected OS version is in scope, since the flaw is in the operating system kernel and not in a specific app. The sources do not say which device configurations or app permissions are needed to trigger it. Teams that manage Apple fleets should patch all of them.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000716,"input_tokens":3346,"output_tokens":762,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112477':15A,18A '-2026':14A,17A '15.8.2':91C '26.7.2':76C,79C,94C '27.2':81C,84C,88C,96C,98C,100C 'abl':105C 'address':66C 'app':9A,41B,102C 'appl':1A,20B,33B,49B 'apple-fleet':19B 'caus':107C 'condit':6A,31B,64C 'corrupt':10A,46B,112C 'crash':42B 'cve':13A,16A 'fix':50B,73C 'fleet':21B 'gate':87C 'golden':86C 'improv':68C 'infrastructur':22B 'io':2A,23B,54B,75C,80C 'ipado':24B,55B,78C,83C 'issu':71C 'kernel':11A,47B,113C 'let':7A,38B 'local':40B 'lock':69C 'maco':4A,25B,56B,85C,89C,92C 'may':103C 'memori':12A,48B,114C 'oper':35B 'race':5A,30B,63C 'releas':61B 'sequoia':90C 'sever':53B 'softwar':37B 'system':36B,44B,109C 'taho':93C 'termin':110C 'tvos':26B,57B,95C 'unexpect':108C 'visiono':27B,58B,97C 'watcho':28B,60B,99C","nicknames":[],"mitigations":[],"who_affected":"Every Apple device on an affected OS version is in scope, since the flaw is in the operating system kernel and not in a specific app. The sources do not say which device configurations or app permissions are needed to trigger it. Teams that manage Apple fleets should patch all of them.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:17:38+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112477","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112477","severity":null,"published_at":"2026-10-26T21:17:38+00:00","modified_at":"2026-10-26T21:17:38+00:00","first_seen_at":"2026-10-26T21:20:26+00:00","fetched_at":"2026-10-26T21:20:26+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"}