{"id":"CVE-2026-112529","kind":"vulnerability","aliases":["CVE-2026-112529"],"related":[],"title":"Apple macOS: 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 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.","summary":"An out-of-bounds read in an unnamed macOS component can be triggered by an app, causing unexpected system termination. The sources describe a denial-of-service outcome only, with no code execution or data theft stated.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple-devices","infrastructure","macos"],"not_affected_if":["patched-macos"],"how_to_check":"- Run `sw_vers -productVersion` and compare against the fixed versions listed below.\n- unknown for any other check, as the sources do not name the affected component.","fix":"- Update macOS to `27.2` (Golden Gate), `15.8.2` (Sequoia), or `26.7.2` (Tahoe), or later.","status":"open","published_at":"2026-10-26T21:17:45+00:00","first_seen_at":"2026-10-26T21:20:27+00:00","triaged_at":"2026-10-26T21:28:20+00:00","updated_at":"2026-10-26T21:28:20+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-26T21:28:20Z","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.","reach":"local","title":"Apple macOS: out-of-bounds read lets an app crash the system","impact":"low","summary":"An out-of-bounds read in an unnamed macOS component can be triggered by an app, causing unexpected system termination. The sources describe a denial-of-service outcome only, with no code execution or data theft stated.","category":"infrastructure","nicknames":[],"who_cares":["macos","apple-devices"],"confidence":0.5,"needs_auth":"unknown","worst_case":"Unexpected system termination; no code execution stated.","analyst_note":"","how_to_check":"- Run `sw_vers -productVersion` and compare against the fixed versions listed below.\n- unknown for any other check, as the sources do not name the affected component.","needs_analyst":false,"not_affected_if":["patched-macos"],"who_is_affected":"Mac fleets and developer machines running the unfixed macOS builds are affected, since any app on the machine can trigger the crash. The sources do not say which subsystem is involved or whether a remote party can reach it. Machines already on the fixed builds can skip this.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000564,"input_tokens":3283,"output_tokens":471,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112529':16A,19A '-2026':15A,18A '15.8.2':87C '26.7.2':90C '27.2':84C 'abl':95C 'address':71C 'app':10A,41B,92C 'appl':1A,21B 'apple-devic':20B 'bound':6A,29B,68C,74C 'caus':42B,97C 'check':75C 'code':58B 'compon':35B 'crash':11A 'cve':14A,17A 'data':61B 'denial':51B 'denial-of-servic':50B 'describ':48B 'devic':22B 'execut':59B 'fix':79C 'gate':83C 'golden':82C 'improv':73C 'infrastructur':23B 'issu':77C 'let':8A 'maco':2A,24B,34B,81C,85C,88C 'may':93C 'out-of-bound':3A,26B,65C 'outcom':54B 'read':7A,30B,69C 'sequoia':86C 'servic':53B 'sourc':47B 'state':63B 'system':13A,44B,99C 'taho':89C 'termin':45B,100C 'theft':62B 'trigger':38B 'unexpect':43B,98C 'unnam':33B","nicknames":[],"mitigations":[],"who_affected":"Mac fleets and developer machines running the unfixed macOS builds are affected, since any app on the machine can trigger the crash. The sources do not say which subsystem is involved or whether a remote party can reach it. Machines already on the fixed builds can skip this.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:17:45+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112529","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112529","severity":null,"published_at":"2026-10-26T21:17:45+00:00","modified_at":"2026-10-26T21:17:45+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"}