{"id":"CVE-2026-112545","kind":"vulnerability","aliases":["CVE-2026-112545"],"related":[],"title":"macOS: directory path parsing flaw lets an app gain root privileges","description":"A parsing issue in the handling of directory paths was addressed with improved path 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 gain root privileges.","summary":"A parsing flaw in how macOS handles directory paths allowed a local app to escalate to root. Apple fixed it with improved path validation in the listed macOS releases.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["endpoints","fleet-management","infrastructure","macos"],"not_affected_if":["already-patched"],"how_to_check":"- Run `sw_vers -productVersion` on each Mac and compare against the fixed builds\n- unknown","fix":"- Update macOS to `27.2` (Golden Gate), `15.8.2` (Sequoia) or `26.7.2` (Tahoe) or later","status":"open","published_at":"2026-10-26T21:17:47+00:00","first_seen_at":"2026-10-26T21:20:27+00:00","triaged_at":"2026-10-26T21:28:05+00:00","updated_at":"2026-10-26T21:28:05+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-26T21:28:05Z","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: directory path parsing flaw lets an app gain root privileges","impact":"high","summary":"A parsing flaw in how macOS handles directory paths allowed a local app to escalate to root. Apple fixed it with improved path validation in the listed macOS releases.","category":"infrastructure","nicknames":[],"who_cares":["macos","endpoints","fleet-management"],"confidence":0.6,"needs_auth":"yes","worst_case":"Local app gains root privileges on the Mac","analyst_note":"Check Apple's security notes for CVE-2026-112545 for the exact fixed builds and whether exploitation is known; the NVD entry gives no CVSS score.","how_to_check":"- Run `sw_vers -productVersion` on each Mac and compare against the fixed builds\n- unknown","needs_analyst":true,"not_affected_if":["already-patched"],"who_is_affected":"Any Mac running a macOS release older than the fixed versions can be affected, since the flaw is in the operating system itself. Systems already on the fixed releases are not affected. The sources do not say whether managed or server Macs differ.","user_interaction":"no","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000569,"input_tokens":3288,"output_tokens":481,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112545':14A,17A '-2026':13A,16A '15.8.2':79C '26.7.2':82C '27.2':76C 'abl':87C 'address':63C 'allow':33B 'app':8A,36B,84C 'appl':41B 'cve':12A,15A 'directori':2A,31B,60C 'endpoint':18B 'escal':38B 'fix':42B,71C 'flaw':5A,26B 'fleet':20B 'fleet-manag':19B 'gain':9A,89C 'gate':75C 'golden':74C 'handl':30B,58C 'improv':45B,65C 'infrastructur':22B 'issu':55C,69C 'let':6A 'list':50B 'local':35B 'maco':1A,23B,29B,51B,73C,77C,80C 'manag':21B 'may':85C 'pars':4A,25B,54C 'path':3A,32B,46B,61C,66C 'privileg':11A,91C 'releas':52B 'root':10A,40B,90C 'sequoia':78C 'taho':81C 'valid':47B,67C","nicknames":[],"mitigations":[],"who_affected":"Any Mac running a macOS release older than the fixed versions can be affected, since the flaw is in the operating system itself. Systems already on the fixed releases are not affected. The sources do not say whether managed or server Macs differ.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:17:47+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112545","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112545","severity":null,"published_at":"2026-10-26T21:17:47+00:00","modified_at":"2026-10-26T21:17:47+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"}