{"id":"CVE-2026-86972","kind":"vulnerability","aliases":["CVE-2026-86972"],"related":[],"title":"Apple iOS and macOS: crafted audio file can corrupt memory","description":"A buffer overflow was addressed with improved size 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 Tahoe 26.7.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. Processing a maliciously crafted audio file may lead to memory corruption.","summary":"A buffer overflow in Apple's audio processing lets a maliciously crafted audio file corrupt memory on Apple devices. Memory corruption of this kind can let an attacker run code or crash the affected component, though the sources do not state which.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple-devices","infrastructure","ios","ipados","macos","tvos","visionos","watchos"],"not_affected_if":["already-on-fixed-version"],"how_to_check":"- Check the OS version on iPhone, iPad, Mac, Apple TV, Vision Pro or Apple Watch under Settings > General > About (or About This Mac) and compare with the fixed versions.\n- unknown for any command-line 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` or macOS Golden Gate to `27.2`.\n- Update tvOS, visionOS and watchOS to `27.2`.","status":"open","published_at":"2026-10-26T21:20:35+00:00","first_seen_at":"2026-10-26T21:55:22+00:00","triaged_at":"2026-10-26T21:56:37+00:00","updated_at":"2026-10-26T21:56:37+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-26T21:56:37Z","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` or macOS Golden Gate to `27.2`.\n- Update tvOS, visionOS and watchOS to `27.2`.","reach":"unknown","title":"Apple iOS and macOS: crafted audio file can corrupt memory","impact":"high","summary":"A buffer overflow in Apple's audio processing lets a maliciously crafted audio file corrupt memory on Apple devices. Memory corruption of this kind can let an attacker run code or crash the affected component, though the sources do not state which.","category":"infrastructure","nicknames":[],"who_cares":["ios","ipados","macos","tvos","visionos","watchos","apple-devices"],"confidence":0.5,"needs_auth":"unknown","worst_case":"Memory corruption from a crafted audio file, possibly code execution","analyst_note":"Sources say only that a crafted audio file may lead to memory corruption; check Apple's security notes for the affected component, the attack vector and whether code execution is confirmed.","how_to_check":"- Check the OS version on iPhone, iPad, Mac, Apple TV, Vision Pro or Apple Watch under Settings > General > About (or About This Mac) and compare with the fixed versions.\n- unknown for any command-line check; the sources do not say.","needs_analyst":true,"not_affected_if":["already-on-fixed-version"],"who_is_affected":"Anyone running the listed Apple operating system versions before the fixes, since the flaw sits in the OS itself and is reached by processing audio. Teams that manage Apple devices should look at their fleet's OS versions. Devices already on the fixed versions are not affected.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000655,"input_tokens":3337,"output_tokens":642,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-86972':13A,16A '26.7.2':83C,86C,98C '27.2':88C,91C,95C,100C,102C,104C 'address':72C 'affect':60B 'appl':1A,18B,31B,44B 'apple-devic':17B 'attack':54B 'audio':6A,33B,39B,109C 'buffer':28B,69C 'code':56B 'compon':61B 'corrupt':9A,41B,47B,115C 'craft':5A,38B,108C 'crash':58B 'cve':11A,14A 'devic':19B,45B 'file':7A,40B,110C 'fix':80C 'gate':94C 'golden':93C 'improv':74C 'infrastructur':20B 'io':2A,21B,82C,87C 'ipado':22B,85C,90C 'issu':78C 'kind':50B 'lead':112C 'let':35B,52B 'maco':4A,23B,92C,96C 'malici':37B,107C 'may':111C 'memori':10A,42B,46B,114C 'overflow':29B,70C 'process':34B,105C 'run':55B 'size':75C 'sourc':64B 'state':67B 'taho':97C 'though':62B 'tvos':24B,99C 'valid':76C 'visiono':25B,101C 'watcho':26B,103C","nicknames":[],"mitigations":[],"who_affected":"Anyone running the listed Apple operating system versions before the fixes, since the flaw sits in the OS itself and is reached by processing audio. Teams that manage Apple devices should look at their fleet's OS versions. Devices already on the fixed versions are not affected.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:20:35+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-86972","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86972","severity":null,"published_at":"2026-10-26T21:20:35+00:00","modified_at":"2026-10-26T21:20:35+00:00","first_seen_at":"2026-10-26T21:55:22+00:00","fetched_at":"2026-10-26T21:55:22+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"}