{"id":"CVE-2026-112689","kind":"vulnerability","aliases":["CVE-2026-112689"],"related":[],"title":"Apple iOS and macOS: out-of-bounds write lets an app corrupt kernel memory","description":"An out-of-bounds write issue was addressed with improved input validation. 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. An app may be able to cause unexpected system termination or corrupt kernel memory.","summary":"An out-of-bounds write in Apple's operating systems can be triggered by an app and may crash the system or corrupt kernel memory. Apple fixed it in the listed iOS, iPadOS, macOS, and tvOS releases.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple","infrastructure","ios","ipados","macos","tvos"],"not_affected_if":["already-patched"],"how_to_check":"- Check the device OS version in Settings > General > About, or run `sw_vers` on macOS and compare against the fixed versions.\n- unknown for any other check, the sources do not say.","fix":"- Update iOS and iPadOS to `26.7.2` or `27.2`.\n- Update macOS Tahoe to `26.7.2`, macOS Sequoia to `15.8.2`, and macOS Golden Gate to `27.2`.\n- Update tvOS to `27.2`.","status":"open","published_at":"2026-10-26T21:18:03+00:00","first_seen_at":"2026-10-26T21:20:30+00:00","triaged_at":"2026-10-26T21:23:25+00:00","updated_at":"2026-10-26T21:23:25+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-26T21:23:25Z","model":"claude-haiku-5-5","output":{"fix":"- Update iOS and iPadOS to `26.7.2` or `27.2`.\n- Update macOS Tahoe to `26.7.2`, macOS Sequoia to `15.8.2`, and macOS Golden Gate to `27.2`.\n- Update tvOS to `27.2`.","reach":"local","title":"Apple iOS and macOS: out-of-bounds write lets an app corrupt kernel memory","impact":"high","summary":"An out-of-bounds write in Apple's operating systems can be triggered by an app and may crash the system or corrupt kernel memory. Apple fixed it in the listed iOS, iPadOS, macOS, and tvOS releases.","category":"infrastructure","nicknames":[],"who_cares":["apple","ios","ipados","macos","tvos"],"confidence":0.5,"needs_auth":"unknown","worst_case":"A local app corrupts kernel memory or crashes the system.","analyst_note":"Check Apple's security release notes for CVE-2026-112689 to confirm the affected component, attack prerequisites, and whether exploitation is confirmed.","how_to_check":"- Check the device OS version in Settings > General > About, or run `sw_vers` on macOS and compare against the fixed versions.\n- unknown for any other check, the sources do not say.","needs_analyst":true,"not_affected_if":["already-patched"],"who_is_affected":"Any Apple device running the affected iOS, iPadOS, macOS, or tvOS versions is exposed, since the flaw sits in the operating system kernel path reached by apps. Devices already on the listed fixed versions are not affected. Managed fleets should confirm update status rather than assume it.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000643,"input_tokens":3344,"output_tokens":618,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112689':18A,21A '-2026':17A,20A '15.8.2':100C '26.7.2':85C,88C,103C '27.2':90C,93C,97C,105C 'abl':110C 'address':74C 'app':12A,44B,107C 'appl':1A,22B,35B,54B 'bound':8A,32B,70C 'caus':112C 'corrupt':13A,51B,117C 'crash':47B 'cve':16A,19A 'fix':55B,82C 'gate':96C 'golden':95C 'improv':76C 'infrastructur':23B 'input':77C 'io':2A,24B,60B,84C,89C 'ipado':25B,61B,87C,92C 'issu':72C,80C 'kernel':14A,52B,118C 'let':10A 'list':59B 'maco':4A,26B,62B,94C,98C,101C 'may':46B,108C 'memori':15A,53B,119C 'oper':37B 'out-of-bound':5A,29B,67C 'releas':65B 'sequoia':99C 'system':38B,49B,114C 'taho':102C 'termin':115C 'trigger':41B 'tvos':27B,64B,104C 'unexpect':113C 'valid':78C 'write':9A,33B,71C","nicknames":[],"mitigations":[],"who_affected":"Any Apple device running the affected iOS, iPadOS, macOS, or tvOS versions is exposed, since the flaw sits in the operating system kernel path reached by apps. Devices already on the listed fixed versions are not affected. Managed fleets should confirm update status rather than assume it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:18:03+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112689","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112689","severity":null,"published_at":"2026-10-26T21:18:03+00:00","modified_at":"2026-10-26T21:18:03+00:00","first_seen_at":"2026-10-26T21:20:30+00:00","fetched_at":"2026-10-26T21:20:30+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"}