{"id":"CVE-2026-112453","kind":"vulnerability","aliases":["CVE-2026-112453"],"related":[],"title":"macOS: path handling flaw lets an app break out of its sandbox","description":"A path handling issue was addressed with improved validation. 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 break out of its sandbox.","summary":"A path handling flaw in macOS lets an app escape its sandbox. The fix is 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":["endpoints","infrastructure","macos"],"not_affected_if":[],"how_to_check":"- Run `sw_vers -productVersion` on each Mac and compare against the fixed builds in the sources.\n- unknown: the sources do not say how to test for the flaw itself.","fix":"- Update macOS to `27.2` (Golden Gate), `15.8.2` (Sequoia), or `26.7.2` (Tahoe) or later.","status":"open","published_at":"2026-10-26T21:17:35+00:00","first_seen_at":"2026-10-26T21:20:25+00:00","triaged_at":"2026-10-26T21:30:25+00:00","updated_at":"2026-10-26T21:30:25+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-26T21:30:25Z","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":"macOS: path handling flaw lets an app break out of its sandbox","impact":"medium","summary":"A path handling flaw in macOS lets an app escape its sandbox. The fix is in macOS Golden Gate 27.2, Sequoia 15.8.2 and Tahoe 26.7.2.","category":"infrastructure","nicknames":[],"who_cares":["macos","endpoints"],"confidence":0.5,"needs_auth":"unknown","worst_case":"An app escapes its sandbox and reaches resources it should not touch.","analyst_note":"Check the Apple security release notes for CVE-2026-112453 to confirm severity, the attack prerequisites and whether any user interaction is needed.","how_to_check":"- Run `sw_vers -productVersion` on each Mac and compare against the fixed builds in the sources.\n- unknown: the sources do not say how to test for the flaw itself.","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Any Mac running an affected macOS release can be exposed, since the flaw is in the operating system rather than in an app. Sandboxed apps on unpatched machines are the ones at risk of escaping. Managed fleets should prioritise patching. The sources do not say whether any configuration narrows exposure, so the exact set of users who can skip the patch is unknown.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000607,"input_tokens":3270,"output_tokens":560,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112453':15A,18A '-2026':14A,17A '15.8.2':43B,67C '26.7.2':46B,70C '27.2':41B,64C 'abl':75C 'address':52C 'app':7A,30B,72C 'break':8A,77C 'cve':13A,16A 'endpoint':19B 'escap':31B 'fix':35B,59C 'flaw':4A,25B 'gate':40B,63C 'golden':39B,62C 'handl':3A,24B,49C 'improv':54C 'infrastructur':20B 'issu':50C,57C 'let':5A,28B 'maco':1A,21B,27B,38B,61C,65C,68C 'may':73C 'path':2A,23B,48C 'sandbox':12A,33B,81C 'sequoia':42B,66C 'taho':45B,69C 'valid':55C","nicknames":[],"mitigations":[],"who_affected":"Any Mac running an affected macOS release can be exposed, since the flaw is in the operating system rather than in an app. Sandboxed apps on unpatched machines are the ones at risk of escaping. Managed fleets should prioritise patching. The sources do not say whether any configuration narrows exposure, so the exact set of users who can skip the patch is unknown.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:17:35+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112453","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112453","severity":null,"published_at":"2026-10-26T21:17:35+00:00","modified_at":"2026-10-26T21:17:35+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"}