{"id":"CVE-2026-65368","kind":"vulnerability","aliases":["CVE-2026-65368"],"related":[],"title":"macOS: crafted disk image can bypass Gatekeeper checks","description":"A logic issue was addressed with improved validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A maliciously crafted disk image may bypass Gatekeeper checks.","summary":"A logic flaw in macOS lets a maliciously crafted disk image skip Gatekeeper's security checks. An attacker who gets a user to open such an image could run software that macOS would normally block.","severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["endpoints","infrastructure","macos"],"not_affected_if":["patched-macos"],"how_to_check":"- Run `sw_vers -productVersion` and compare against the fixed builds listed in the fix field.","fix":"- Update macOS to `27` (Golden Gate), `15.8.2` (Sequoia) or `26.7.2` (Tahoe) or later.","status":"open","published_at":"2026-10-26T21:18:43+00:00","first_seen_at":"2026-10-26T21:20:32+00:00","triaged_at":"2026-10-26T21:21:26+00:00","updated_at":"2026-10-26T21:21:26+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-26T21:21:26Z","model":"claude-haiku-5-5","output":{"fix":"- Update macOS to `27` (Golden Gate), `15.8.2` (Sequoia) or `26.7.2` (Tahoe) or later.","reach":"local","title":"macOS: crafted disk image can bypass Gatekeeper checks","impact":"high","summary":"A logic flaw in macOS lets a maliciously crafted disk image skip Gatekeeper's security checks. An attacker who gets a user to open such an image could run software that macOS would normally block.","category":"infrastructure","nicknames":[],"who_cares":["macos","endpoints"],"confidence":0.6,"needs_auth":"no","worst_case":"Gatekeeper is bypassed, so unsigned or malicious software can run on the Mac.","analyst_note":"","how_to_check":"- Run `sw_vers -productVersion` and compare against the fixed builds listed in the fix field.","needs_analyst":false,"not_affected_if":["patched-macos"],"who_is_affected":"macOS machines older than the fixed releases can be affected. Machines already on the fixed versions are not affected. The sources do not say whether managed or enterprise configurations change exposure.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"medium"},"cost_usd":0.000543,"input_tokens":3276,"output_tokens":430,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':10A,13A '-65368':11A,14A '15.8.2':72C '26.7.2':75C '27':69C 'address':57C 'attack':35B 'block':52B 'bypass':6A,82C 'check':8A,33B,84C 'could':45B 'craft':2A,26B,78C 'cve':9A,12A 'disk':3A,27B,79C 'endpoint':15B 'fix':64C 'flaw':20B 'gate':68C 'gatekeep':7A,30B,83C 'get':37B 'golden':67C 'imag':4A,28B,44B,80C 'improv':59C 'infrastructur':16B 'issu':55C,62C 'let':23B 'logic':19B,54C 'maco':1A,17B,22B,49B,66C,70C,73C 'malici':25B,77C 'may':81C 'normal':51B 'open':41B 'run':46B 'secur':32B 'sequoia':71C 'skip':29B 'softwar':47B 'taho':74C 'user':39B 'valid':60C 'would':50B","nicknames":[],"mitigations":[],"who_affected":"macOS machines older than the fixed releases can be affected. Machines already on the fixed versions are not affected. The sources do not say whether managed or enterprise configurations change exposure.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:18:43+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-65368","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-65368","severity":null,"published_at":"2026-10-26T21:18:43+00:00","modified_at":"2026-10-26T21:18:43+00:00","first_seen_at":"2026-10-26T21:20:32+00:00","fetched_at":"2026-10-26T21:20:32+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"}