{"id":"CVE-2026-112655","kind":"vulnerability","aliases":["CVE-2026-112655"],"related":[],"title":"Apple Safari and WebKit: memory flaw lets crafted 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, tvOS 27.2, visionOS 27.2, watchOS 27.2. Processing maliciously crafted web content may lead to arbitrary code execution.","summary":"A use-after-free memory bug in Apple's WebKit engine, used by Safari and other Apple OS components, can be triggered by maliciously crafted web content. The sources say it may lead to arbitrary code execution.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple-devices","infrastructure","ios","ipados","macos","safari","webkit"],"not_affected_if":["already-patched"],"how_to_check":"- Check the device OS and Safari version in Settings > General > About (iOS, iPadOS, visionOS, watchOS) or Apple menu > About This Mac (macOS)\n- Compare against the fixed builds: Safari `27.2`, iOS and iPadOS `26.7.2` or `27.2`, macOS `27.2`, tvOS `27.2`, visionOS `27.2`, watchOS `27.2`","fix":"- Update Safari to `27.2` or later\n- Update iOS and iPadOS to `26.7.2` or `27.2`\n- Update macOS, tvOS, visionOS and watchOS to `27.2`","status":"open","published_at":"2026-10-26T21:17:59+00:00","first_seen_at":"2026-10-26T21:20:29+00:00","triaged_at":"2026-10-26T21:23:53+00:00","updated_at":"2026-10-26T21:23:53+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-26T21:23:53Z","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`\n- Update macOS, tvOS, visionOS and watchOS to `27.2`","reach":"internet","title":"Apple Safari and WebKit: memory flaw lets crafted web content run code","impact":"high","summary":"A use-after-free memory bug in Apple's WebKit engine, used by Safari and other Apple OS components, can be triggered by maliciously crafted web content. The sources say it may lead to arbitrary code execution.","category":"infrastructure","nicknames":[],"who_cares":["safari","ios","ipados","macos","webkit","apple-devices"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs arbitrary code on the device via crafted web page","analyst_note":"Check Apple security notes for this CVE to confirm exploitation status, affected build numbers and whether the flaw needs user interaction beyond visiting a page.","how_to_check":"- Check the device OS and Safari version in Settings > General > About (iOS, iPadOS, visionOS, watchOS) or Apple menu > About This Mac (macOS)\n- Compare against the fixed builds: Safari `27.2`, iOS and iPadOS `26.7.2` or `27.2`, macOS `27.2`, tvOS `27.2`, visionOS `27.2`, watchOS `27.2`","needs_analyst":true,"not_affected_if":["already-patched"],"who_is_affected":"Any Apple device or Mac running a version older than the fixed builds is exposed when it renders web content, since the flaw sits in WebKit, which every browser on these platforms uses. Devices already on the fixed versions are not affected. The sources do not say whether a specific configuration is needed.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000663,"input_tokens":3333,"output_tokens":659,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112655':15A,18A '-2026':14A,17A '26.7.2':86C,89C '27.2':84C,91C,94C,98C,100C,102C,104C 'address':73C 'appl':1A,20B,36B,45B 'apple-devic':19B 'arbitrari':63B,113C 'bug':34B 'code':12A,64B,114C 'compon':47B 'content':10A,55B,109C 'craft':8A,53B,107C 'cve':13A,16A 'devic':21B 'engin':39B 'execut':65B,115C 'fix':81C 'flaw':6A 'free':32B,70C 'gate':97C 'golden':96C 'improv':75C 'infrastructur':22B 'io':23B,85C,90C 'ipado':24B,88C,93C 'issu':71C,79C 'lead':61B,111C 'let':7A 'maco':25B,95C 'malici':52B,106C 'manag':77C 'may':60B,110C 'memori':5A,33B,76C 'os':46B 'process':105C 'run':11A 'safari':2A,26B,42B,83C 'say':58B 'sourc':57B 'trigger':50B 'tvos':99C 'use':30B,40B,68C 'use-after-fre':29B,67C 'visiono':101C 'watcho':103C 'web':9A,54B,108C 'webkit':4A,27B,38B","nicknames":[],"mitigations":[],"who_affected":"Any Apple device or Mac running a version older than the fixed builds is exposed when it renders web content, since the flaw sits in WebKit, which every browser on these platforms uses. Devices already on the fixed versions are not affected. The sources do not say whether a specific configuration is needed.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:17:59+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112655","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112655","severity":null,"published_at":"2026-10-26T21:17:59+00:00","modified_at":"2026-10-26T21:17:59+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"}