{"id":"CVE-2026-113949","kind":"vulnerability","aliases":["CVE-2026-113949"],"related":[],"title":"Safari and Apple OSes: type confusion lets crafted web content corrupt memory","description":"A type confusion issue was addressed with improved state 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 memory corruption.","summary":"A type confusion flaw in WebKit-based Safari and Apple's operating systems can be triggered by maliciously crafted web content. The sources say it can lead to memory corruption, which an attacker could use to run code or crash the browser.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ios","ipados","macos","other","safari","visionos","webkit"],"not_affected_if":[],"how_to_check":"- Check the installed version under Settings > General > About on iOS and iPadOS, or Safari > About Safari on macOS\n- unknown for any other check, the sources do not say","fix":"- Update Safari to `27.2` on macOS and visionOS\n- Update iOS and iPadOS to `26.7.2` or `27.2`\n- Update macOS to `27.2` (macOS Golden Gate)\n- unknown for other versions, the sources do not say","status":"open","published_at":"2026-10-26T21:18:11+00:00","first_seen_at":"2026-10-26T21:20:31+00:00","triaged_at":"2026-10-26T21:21:38+00:00","updated_at":"2026-10-26T21:21:38+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-26T21:21:38Z","model":"claude-haiku-5-5","output":{"fix":"- Update Safari to `27.2` on macOS and visionOS\n- Update iOS and iPadOS to `26.7.2` or `27.2`\n- Update macOS to `27.2` (macOS Golden Gate)\n- unknown for other versions, the sources do not say","reach":"internet","title":"Safari and Apple OSes: type confusion lets crafted web content corrupt memory","impact":"high","summary":"A type confusion flaw in WebKit-based Safari and Apple's operating systems can be triggered by maliciously crafted web content. The sources say it can lead to memory corruption, which an attacker could use to run code or crash the browser.","category":"other","nicknames":[],"who_cares":["safari","ios","ipados","macos","visionos","webkit"],"confidence":0.6,"needs_auth":"no","worst_case":"Crafted web content corrupts memory, possibly enabling code execution","analyst_note":"Check the NVD entry and Apple security notes for whether exploitation is seen in the wild and whether the flaw is WebKit-wide; the sources give no severity score.","how_to_check":"- Check the installed version under Settings > General > About on iOS and iPadOS, or Safari > About Safari on macOS\n- unknown for any other check, the sources do not say","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Anyone using Safari or the listed Apple OS versions who browses untrusted web content is exposed, since the flaw is triggered by crafted web pages. The sources do not name a specific configuration or role, so unknown whether any setting limits exposure. Teams that only run fixed, patched Apple devices can skip it.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000635,"input_tokens":3308,"output_tokens":608,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-113949':15A,18A '-2026':14A,17A '26.7.2':87C,90C '27.2':85C,92C,95C,99C,101C 'address':74C 'appl':3A,36B 'attack':59B 'base':33B 'browser':68B 'code':64B 'confus':6A,28B,71C 'content':10A,47B,106C 'corrupt':11A,56B,111C 'could':60B 'craft':8A,45B,104C 'crash':66B 'cve':13A,16A 'fix':82C 'flaw':29B 'gate':98C 'golden':97C 'improv':76C 'io':19B,86C,91C 'ipado':20B,89C,94C 'issu':72C,80C 'lead':53B,108C 'let':7A 'maco':21B,96C 'malici':44B,103C 'manag':78C 'may':107C 'memori':12A,55B,110C 'oper':38B 'ose':4A 'process':102C 'run':63B 'safari':1A,23B,34B,84C 'say':50B 'sourc':49B 'state':77C 'system':39B 'trigger':42B 'type':5A,27B,70C 'use':61B 'visiono':24B,100C 'web':9A,46B,105C 'webkit':25B,32B 'webkit-bas':31B","nicknames":[],"mitigations":[],"who_affected":"Anyone using Safari or the listed Apple OS versions who browses untrusted web content is exposed, since the flaw is triggered by crafted web pages. The sources do not name a specific configuration or role, so unknown whether any setting limits exposure. Teams that only run fixed, patched Apple devices can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:18:11+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113949","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113949","severity":null,"published_at":"2026-10-26T21:18:11+00:00","modified_at":"2026-10-26T21:18:11+00:00","first_seen_at":"2026-10-26T21:20:31+00:00","fetched_at":"2026-10-26T21:20:31+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"}