{"id":"CVE-2026-112623","kind":"vulnerability","aliases":["CVE-2026-112623"],"related":[],"title":"Safari and Apple OS: use-after-free lets web content run code","description":"A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 27.2, iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, visionOS 27.2. Processing maliciously crafted web content may lead to arbitrary code execution.","summary":"A use-after-free memory bug in Safari and several Apple operating systems can be triggered by maliciously crafted web content. Successful exploitation may lead to arbitrary code execution on the device.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple","infrastructure","ios","ipados","macos","safari","visionos"],"not_affected_if":["patched-version"],"how_to_check":"- Check the installed Safari or OS version against the fixed releases listed in the advisory.\n- unknown for other checks; the sources do not say.","fix":"- Update Safari to `27.2` or later.\n- Update iOS and iPadOS to `26.7.2` or `27.2`, macOS to `27.2` (Golden Gate), and visionOS to `27.2`.","status":"open","published_at":"2026-10-26T21:17:55+00:00","first_seen_at":"2026-10-26T21:20:29+00:00","triaged_at":"2026-10-26T21:25:18+00:00","updated_at":"2026-10-26T21:25:18+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-26T21:25:18Z","model":"claude-haiku-5-5","output":{"fix":"- Update Safari to `27.2` or later.\n- Update iOS and iPadOS to `26.7.2` or `27.2`, macOS to `27.2` (Golden Gate), and visionOS to `27.2`.","reach":"internet","title":"Safari and Apple OS: use-after-free lets web content run code","impact":"high","summary":"A use-after-free memory bug in Safari and several Apple operating systems can be triggered by maliciously crafted web content. Successful exploitation may lead to arbitrary code execution on the device.","category":"infrastructure","nicknames":[],"who_cares":["safari","ios","ipados","macos","visionos","apple"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs arbitrary code on the device via crafted web page.","analyst_note":"Confirm via Apple security notes whether this CVE is exploited in the wild and which exact builds are fixed; the NVD entry alone gives no severity or CVSS.","how_to_check":"- Check the installed Safari or OS version against the fixed releases listed in the advisory.\n- unknown for other checks; the sources do not say.","needs_analyst":true,"not_affected_if":["patched-version"],"who_is_affected":"Users of Safari and affected Apple operating systems who browse untrusted web content are exposed, since a crafted page is the trigger. The sources do not say which configurations are affected beyond the listed versions; unknown for narrower scope.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.0006,"input_tokens":3315,"output_tokens":537,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112623':16A,19A '-2026':15A,18A '26.7.2':80C,83C '27.2':78C,85C,88C,92C,94C 'address':67C 'appl':3A,20B,38B 'arbitrari':54B,103C 'bug':33B 'code':13A,55B,104C 'content':11A,48B,99C 'craft':46B,97C 'cve':14A,17A 'devic':59B 'execut':56B,105C 'exploit':50B 'fix':75C 'free':8A,31B,64C 'gate':91C 'golden':90C 'improv':69C 'infrastructur':21B 'io':22B,79C,84C 'ipado':23B,82C,87C 'issu':65C,73C 'lead':52B,101C 'let':9A 'maco':24B,89C 'malici':45B,96C 'manag':71C 'may':51B,100C 'memori':32B,70C 'oper':39B 'os':4A 'process':95C 'run':12A 'safari':1A,25B,35B,77C 'sever':37B 'success':49B 'system':40B 'trigger':43B 'use':6A,29B,62C 'use-after-fre':5A,28B,61C 'visiono':26B,93C 'web':10A,47B,98C","nicknames":[],"mitigations":[],"who_affected":"Users of Safari and affected Apple operating systems who browse untrusted web content are exposed, since a crafted page is the trigger. The sources do not say which configurations are affected beyond the listed versions; unknown for narrower scope.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:17:55+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112623","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112623","severity":null,"published_at":"2026-10-26T21:17:55+00:00","modified_at":"2026-10-26T21:17:55+00:00","first_seen_at":"2026-10-26T21:20:29+00:00","fetched_at":"2026-10-26T21:20:29+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"}