{"id":"CVE-2026-112517","kind":"vulnerability","aliases":["CVE-2026-112517"],"related":[],"title":"Apple iOS and macOS: use-after-free lets an app corrupt kernel memory","description":"A use after free issue was addressed with improved memory management. 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 use-after-free bug in Apple's operating systems lets an app crash the system or corrupt kernel memory. Apple fixed it in iOS 26.7.2, macOS Tahoe 26.7.2, macOS Sequoia 15.8.2 and later releases.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple","infrastructure","ios","ipados","macos","tvos","visionos","watchos"],"not_affected_if":["already-on-fixed-versions"],"how_to_check":"- Check the installed version under Settings > General > About (iOS and iPadOS) or Apple menu > About This Mac (macOS)\n- unknown","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`, or macOS Golden Gate to `27.2`\n- Update tvOS, visionOS and watchOS to `27.2`","status":"open","published_at":"2026-10-26T21:17:43+00:00","first_seen_at":"2026-10-26T21:20:27+00:00","triaged_at":"2026-10-26T21:29:31+00:00","updated_at":"2026-10-26T21:29:31+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-26T21:29:31Z","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`, or macOS Golden Gate to `27.2`\n- Update tvOS, visionOS and watchOS to `27.2`","reach":"local","title":"Apple iOS and macOS: use-after-free lets an app corrupt kernel memory","impact":"high","summary":"A use-after-free bug in Apple's operating systems lets an app crash the system or corrupt kernel memory. Apple fixed it in iOS 26.7.2, macOS Tahoe 26.7.2, macOS Sequoia 15.8.2 and later releases.","category":"infrastructure","nicknames":[],"who_cares":["apple","ios","ipados","macos","tvos","visionos","watchos"],"confidence":0.5,"needs_auth":"unknown","worst_case":"A local app can corrupt kernel memory or crash the system.","analyst_note":"Check Apple's security release notes for CVE-2026-112517 to confirm the attack path, whether it is remotely reachable, and whether it is exploited.","how_to_check":"- Check the installed version under Settings > General > About (iOS and iPadOS) or Apple menu > About This Mac (macOS)\n- unknown","needs_analyst":true,"not_affected_if":["already-on-fixed-versions"],"who_is_affected":"Any device running the affected Apple operating system versions listed in the advisory text, which covers iPhone, iPad, Mac, Apple TV, Vision Pro and Apple Watch. The sources do not say which apps or configurations make a device more exposed, and they do not say whether a remote attacker can reach the bug.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000656,"input_tokens":3352,"output_tokens":642,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112517':17A,20A '-2026':16A,19A '15.8.2':61B,97C '26.7.2':55B,58B,82C,85C,100C '27.2':87C,90C,94C,102C,104C,106C 'abl':111C 'address':71C 'app':11A,42B,108C 'appl':1A,21B,36B,50B 'bug':34B 'caus':113C 'corrupt':12A,47B,118C 'crash':43B 'cve':15A,18A 'fix':51B,79C 'free':8A,33B,68C 'gate':93C 'golden':92C 'improv':73C 'infrastructur':22B 'io':2A,23B,54B,81C,86C 'ipado':24B,84C,89C 'issu':69C,77C 'kernel':13A,48B,119C 'later':63B 'let':9A,40B 'maco':4A,25B,56B,59B,91C,95C,98C 'manag':75C 'may':109C 'memori':14A,49B,74C,120C 'oper':38B 'releas':64B 'sequoia':60B,96C 'system':39B,45B,115C 'taho':57B,99C 'termin':116C 'tvos':26B,101C 'unexpect':114C 'use':6A,31B,66C 'use-after-fre':5A,30B 'visiono':27B,103C 'watcho':28B,105C","nicknames":[],"mitigations":[],"who_affected":"Any device running the affected Apple operating system versions listed in the advisory text, which covers iPhone, iPad, Mac, Apple TV, Vision Pro and Apple Watch. The sources do not say which apps or configurations make a device more exposed, and they do not say whether a remote attacker can reach the bug.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:17:43+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112517","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112517","severity":null,"published_at":"2026-10-26T21:17:43+00:00","modified_at":"2026-10-26T21:17:43+00:00","first_seen_at":"2026-10-26T21:20:27+00:00","fetched_at":"2026-10-26T21:20:27+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"}