{"id":"CVE-2026-112476","kind":"vulnerability","aliases":["CVE-2026-112476"],"related":[],"title":"Apple OS: out-of-bounds read lets an app crash the system","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, tvOS 27.2, visionOS 27.2, watchOS 27.2. An app may be able to cause unexpected system termination.","summary":"An out-of-bounds memory read in Apple's operating systems can be triggered by an app, causing unexpected system termination. The sources describe a denial-of-service impact only, with no code execution or data access stated.","severity":"low","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["infrastructure","ios","ipados","macos","tvos","visionos","watchos"],"not_affected_if":["already-patched-versions"],"how_to_check":"- Check the device OS version in Settings > General > About (or `sw_vers -productVersion` on macOS) and compare it with the fixed versions.","fix":"- Update iOS and iPadOS to `26.7.2` or `27.2`, macOS Tahoe to `26.7.2`, macOS Sequoia to `15.8.2`, macOS Golden Gate to `27.2`, and tvOS, visionOS and watchOS to `27.2`.","status":"open","published_at":"2026-10-26T21:17:37+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":0.6,"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`, macOS Tahoe to `26.7.2`, macOS Sequoia to `15.8.2`, macOS Golden Gate to `27.2`, and tvOS, visionOS and watchOS to `27.2`.","reach":"local","title":"Apple OS: out-of-bounds read lets an app crash the system","impact":"low","summary":"An out-of-bounds memory read in Apple's operating systems can be triggered by an app, causing unexpected system termination. The sources describe a denial-of-service impact only, with no code execution or data access stated.","category":"infrastructure","nicknames":[],"who_cares":["ios","ipados","macos","tvos","visionos","watchos"],"confidence":0.6,"needs_auth":"unknown","worst_case":"A malicious app crashes the system, causing unexpected termination.","analyst_note":"","how_to_check":"- Check the device OS version in Settings > General > About (or `sw_vers -productVersion` on macOS) and compare it with the fixed versions.","needs_analyst":false,"not_affected_if":["already-patched-versions"],"who_is_affected":"Any device running the affected Apple operating system versions is in scope, since the flaw sits in the OS and an app can trigger it. The sources do not describe a specific configuration or role that makes a device more exposed. unknown for whether managed or enterprise fleets have extra exposure.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000603,"input_tokens":3352,"output_tokens":535,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112476':16A,19A '-2026':15A,18A '15.8.2':100C '26.7.2':85C,88C,103C '27.2':90C,93C,97C,105C,107C,109C 'abl':114C 'access':65B 'address':74C 'app':10A,44B,111C 'appl':1A,35B 'bound':6A,31B,71C,77C 'caus':45B,116C 'check':78C 'code':61B 'crash':11A 'cve':14A,17A 'data':64B 'denial':54B 'denial-of-servic':53B 'describ':51B 'execut':62B 'fix':82C 'gate':96C 'golden':95C 'impact':57B 'improv':76C 'infrastructur':20B 'io':21B,84C,89C 'ipado':22B,87C,92C 'issu':80C 'let':8A 'maco':23B,94C,98C,101C 'may':112C 'memori':32B 'oper':37B 'os':2A 'out-of-bound':3A,28B,68C 'read':7A,33B,72C 'sequoia':99C 'servic':56B 'sourc':50B 'state':66B 'system':13A,38B,47B,118C 'taho':102C 'termin':48B,119C 'trigger':41B 'tvos':24B,104C 'unexpect':46B,117C 'visiono':25B,106C 'watcho':26B,108C","nicknames":[],"mitigations":[],"who_affected":"Any device running the affected Apple operating system versions is in scope, since the flaw sits in the OS and an app can trigger it. The sources do not describe a specific configuration or role that makes a device more exposed. unknown for whether managed or enterprise fleets have extra exposure.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:17:37+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112476","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112476","severity":null,"published_at":"2026-10-26T21:17:37+00:00","modified_at":"2026-10-26T21:17:37+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"}