{"id":"CVE-2026-112554","kind":"vulnerability","aliases":["CVE-2026-112554"],"related":[],"title":"Apple iOS and macOS: out-of-bounds read lets an app crash the system or read kernel memory","description":"An out-of-bounds read was addressed with improved bounds checking. 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. An app may be able to cause unexpected system termination or read kernel memory.","summary":"An out-of-bounds read in Apple's operating system kernel lets an app cause an unexpected system termination or read kernel memory. The fix is bounds checking, shipped in the listed iOS, iPadOS and macOS releases.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple-devices","infrastructure","ios","ipados","macos","mdm"],"not_affected_if":["already-on-fixed-version"],"how_to_check":"- Check the device OS version in Settings > General > About (iOS and iPadOS) or Apple menu > About This Mac (macOS) and compare it with the fixed versions below.\n- unknown for fleet-wide detection commands; the sources do not say.","fix":"- Update iOS and iPadOS to `26.7.2` (on the 26 line) or `27.2` (on the 27 line).\n- Update macOS Tahoe to `26.7.2`, macOS Sequoia to `15.8.2`, and macOS Golden Gate to `27.2`.","status":"open","published_at":"2026-10-26T21:17:48+00:00","first_seen_at":"2026-10-26T21:20:28+00:00","triaged_at":"2026-10-26T21:27:57+00:00","updated_at":"2026-10-26T21:27:57+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-26T21:27:57Z","model":"claude-haiku-5-5","output":{"fix":"- Update iOS and iPadOS to `26.7.2` (on the 26 line) or `27.2` (on the 27 line).\n- Update macOS Tahoe to `26.7.2`, macOS Sequoia to `15.8.2`, and macOS Golden Gate to `27.2`.","reach":"local","title":"Apple iOS and macOS: out-of-bounds read lets an app crash the system or read kernel memory","impact":"medium","summary":"An out-of-bounds read in Apple's operating system kernel lets an app cause an unexpected system termination or read kernel memory. The fix is bounds checking, shipped in the listed iOS, iPadOS and macOS releases.","category":"infrastructure","nicknames":[],"who_cares":["ios","ipados","macos","apple-devices","mdm"],"confidence":0.5,"needs_auth":"unknown","worst_case":"A local app crashes the system or reads kernel memory.","analyst_note":"Sources give only the NVD record; check Apple's security release notes for CVE-2026-112554 for the exploitation preconditions and whether it is exploited.","how_to_check":"- Check the device OS version in Settings > General > About (iOS and iPadOS) or Apple menu > About This Mac (macOS) and compare it with the fixed versions below.\n- unknown for fleet-wide detection commands; the sources do not say.","needs_analyst":true,"not_affected_if":["already-on-fixed-version"],"who_is_affected":"Devices running the Apple operating systems listed before these fixed releases are affected, which covers iPhone, iPad and Mac fleets managed by a team. The sources do not describe a specific app or configuration that makes a device exposed, so any unpatched device should be treated as in scope. Devices already on the fixed versions can skip it.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000662,"input_tokens":3332,"output_tokens":657,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112554':22A,25A '-2026':21A,24A '15.8.2':105C '26.7.2':90C,93C,108C '27.2':95C,98C,102C 'abl':113C 'address':79C 'app':12A,48B,110C 'appl':1A,27B,41B 'apple-devic':26B 'bound':8A,38B,61B,76C,82C 'caus':49B,115C 'check':62B,83C 'crash':13A 'cve':20A,23A 'devic':28B 'fix':59B,87C 'gate':101C 'golden':100C 'improv':81C 'infrastructur':29B 'io':2A,30B,67B,89C,94C 'ipado':31B,68B,92C,97C 'issu':85C 'kernel':18A,45B,56B,121C 'let':10A,46B 'list':66B 'maco':4A,32B,70B,99C,103C,106C 'may':111C 'mdm':33B 'memori':19A,57B,122C 'oper':43B 'out-of-bound':5A,35B,73C 'read':9A,17A,39B,55B,77C,120C 'releas':71B 'sequoia':104C 'ship':63B 'system':15A,44B,52B,117C 'taho':107C 'termin':53B,118C 'unexpect':51B,116C","nicknames":[],"mitigations":[],"who_affected":"Devices running the Apple operating systems listed before these fixed releases are affected, which covers iPhone, iPad and Mac fleets managed by a team. The sources do not describe a specific app or configuration that makes a device exposed, so any unpatched device should be treated as in scope. Devices already on the fixed versions can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:17:48+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112554","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112554","severity":null,"published_at":"2026-10-26T21:17:48+00:00","modified_at":"2026-10-26T21:17:48+00:00","first_seen_at":"2026-10-26T21:20:28+00:00","fetched_at":"2026-10-26T21:20:28+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"}