{"id":"CVE-2026-112424","kind":"vulnerability","aliases":["CVE-2026-112424"],"related":[],"title":"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 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 macOS could let a local app cause the system to terminate unexpectedly or read kernel memory. Apple fixed it with improved bounds checking in macOS Golden Gate 27.2, Sequoia 15.8.2 and Tahoe 26.7.2.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple-endpoints","infrastructure","macos"],"not_affected_if":["already-patched"],"how_to_check":"- Run `sw_vers -productVersion` on each Mac and compare against the fixed versions.\n- unknown for anything beyond the version check; the sources do not give a more specific check.","fix":"- Update macOS to `27.2` (Golden Gate), `15.8.2` (Sequoia) or `26.7.2` (Tahoe) or later, via System Settings > General > Software Update.","status":"open","published_at":"2026-10-26T21:17:32+00:00","first_seen_at":"2026-10-26T21:20:25+00:00","triaged_at":"2026-10-26T21:31:47+00:00","updated_at":"2026-10-26T21:31:47+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-26T21:31:47Z","model":"claude-haiku-5-5","output":{"fix":"- Update macOS to `27.2` (Golden Gate), `15.8.2` (Sequoia) or `26.7.2` (Tahoe) or later, via System Settings > General > Software Update.","reach":"local","title":"macOS: out-of-bounds read lets an app crash the system or read kernel memory","impact":"high","summary":"An out-of-bounds read in macOS could let a local app cause the system to terminate unexpectedly or read kernel memory. Apple fixed it with improved bounds checking in macOS Golden Gate 27.2, Sequoia 15.8.2 and Tahoe 26.7.2.","category":"infrastructure","nicknames":[],"who_cares":["macos","apple-endpoints"],"confidence":0.5,"needs_auth":"unknown","worst_case":"A local app reads kernel memory or crashes the whole system.","analyst_note":"Sources give only the NVD entry and Apple's one-line description; check Apple's security release notes for the affected version ranges and whether the read is exploitable beyond a crash.","how_to_check":"- Run `sw_vers -productVersion` on each Mac and compare against the fixed versions.\n- unknown for anything beyond the version check; the sources do not give a more specific check.","needs_analyst":true,"not_affected_if":["already-patched"],"who_is_affected":"Every Mac running an affected macOS release before the fixed versions is in scope, since the flaw is in the operating system and any app can trigger it. Machines already on the listed fixed builds or later are not affected. The sources do not say whether managed or unmanaged setups differ.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000622,"input_tokens":3290,"output_tokens":586,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112424':19A,22A '-2026':18A,21A '15.8.2':64B,91C '26.7.2':67B,94C '27.2':62B,88C 'abl':99C 'address':75C 'app':9A,40B,96C 'appl':24B,51B 'apple-endpoint':23B 'bound':5A,32B,56B,72C,78C 'caus':41B,101C 'check':57B,79C 'could':36B 'crash':10A 'cve':17A,20A 'endpoint':25B 'fix':52B,83C 'gate':61B,87C 'golden':60B,86C 'improv':55B,77C 'infrastructur':26B 'issu':81C 'kernel':15A,49B,107C 'let':7A,37B 'local':39B 'maco':1A,27B,35B,59B,85C,89C,92C 'may':97C 'memori':16A,50B,108C 'out-of-bound':2A,29B,69C 'read':6A,14A,33B,48B,73C,106C 'sequoia':63B,90C 'system':12A,43B,103C 'taho':66B,93C 'termin':45B,104C 'unexpect':46B,102C","nicknames":[],"mitigations":[],"who_affected":"Every Mac running an affected macOS release before the fixed versions is in scope, since the flaw is in the operating system and any app can trigger it. Machines already on the listed fixed builds or later are not affected. The sources do not say whether managed or unmanaged setups differ.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:17:32+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112424","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112424","severity":null,"published_at":"2026-10-26T21:17:32+00:00","modified_at":"2026-10-26T21:17:32+00:00","first_seen_at":"2026-10-26T21:20:25+00:00","fetched_at":"2026-10-26T21:20:25+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"}