{"id":"CVE-2026-112443","kind":"vulnerability","aliases":["CVE-2026-112443"],"related":[],"title":"Apple macOS: improved memory handling fixes crash and memory corruption","description":"The issue was addressed with improved memory handling. This issue is fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination or corrupt process memory.","summary":"A memory handling flaw in macOS lets an app cause an unexpected system termination or corrupt process memory. The sources do not say whether an attacker can gain code execution from it.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple-devices","infrastructure","macos"],"not_affected_if":["already-patched"],"how_to_check":"- Check the macOS version with `sw_vers -productVersion` and compare it to the fixed releases listed in the fix.\n- unknown for other checks: the sources do not describe a specific setting or file.","fix":"- Update macOS Golden Gate to `27.2` or later.\n- Update macOS Tahoe to `26.7.2` or later.","status":"open","published_at":"2026-10-26T21:17:34+00:00","first_seen_at":"2026-10-26T21:20:25+00:00","triaged_at":"2026-10-26T21:31:35+00:00","updated_at":"2026-10-26T21:31:35+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-26T21:31:35Z","model":"claude-haiku-5-5","output":{"fix":"- Update macOS Golden Gate to `27.2` or later.\n- Update macOS Tahoe to `26.7.2` or later.","reach":"local","title":"Apple macOS: improved memory handling fixes crash and memory corruption","impact":"medium","summary":"A memory handling flaw in macOS lets an app cause an unexpected system termination or corrupt process memory. The sources do not say whether an attacker can gain code execution from it.","category":"infrastructure","nicknames":[],"who_cares":["macos","apple-devices"],"confidence":0.5,"needs_auth":"unknown","worst_case":"Apps can crash the system or corrupt process memory","analyst_note":"Check Apple's security release notes for CVE-2026-112443 to confirm the attack vector, whether code execution is possible, and the exact fixed builds.","how_to_check":"- Check the macOS version with `sw_vers -productVersion` and compare it to the fixed releases listed in the fix.\n- unknown for other checks: the sources do not describe a specific setting or file.","needs_analyst":true,"not_affected_if":["already-patched"],"who_is_affected":"Machines running macOS builds older than the fixed releases are affected, per the description. The sources do not name a specific configuration or role that makes a system more exposed. Systems already on the fixed releases can skip it.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000577,"input_tokens":3262,"output_tokens":501,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112443':13A,16A '-2026':12A,15A '26.7.2':71C '27.2':68C 'abl':76C 'address':55C 'app':30B,73C 'appl':1A,18B 'apple-devic':17B 'attack':47B 'caus':31B,78C 'code':50B 'corrupt':10A,37B,83C 'crash':7A 'cve':11A,14A 'devic':19B 'execut':51B 'fix':6A,63C 'flaw':25B 'gain':49B 'gate':67C 'golden':66C 'handl':5A,24B,59C 'improv':3A,57C 'infrastructur':20B 'issu':53C,61C 'let':28B 'maco':2A,21B,27B,65C,69C 'may':74C 'memori':4A,9A,23B,39B,58C,85C 'process':38B,84C 'say':44B 'sourc':41B 'system':34B,80C 'taho':70C 'termin':35B,81C 'unexpect':33B,79C 'whether':45B","nicknames":[],"mitigations":[],"who_affected":"Machines running macOS builds older than the fixed releases are affected, per the description. The sources do not name a specific configuration or role that makes a system more exposed. Systems already on the fixed releases can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:17:34+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112443","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112443","severity":null,"published_at":"2026-10-26T21:17:34+00:00","modified_at":"2026-10-26T21:17:34+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"}