{"id":"CVE-2026-86971","kind":"vulnerability","aliases":["CVE-2026-86971"],"related":[],"title":"Apple iOS and macOS: malicious image crashes apps via out-of-bounds write","description":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27.2. Processing a maliciously crafted image may lead to unexpected app termination.","summary":"An out-of-bounds write in Apple's image processing lets a maliciously crafted image terminate the app that opens it. The sources describe only an unexpected app termination, not code execution.","severity":"low","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["apple","infrastructure","ios","ipados","macos","visionos"],"not_affected_if":["already-patched"],"how_to_check":"- Check the device OS version in Settings > General > About (iOS/iPadOS) or About This Mac (macOS) against the fixed versions below\n- unknown for any other check","fix":"- Update iOS and iPadOS to `26.7.2` or `27.2`\n- Update macOS Tahoe to `26.7.2`, macOS Sequoia to `15.8.2`, and macOS Golden Gate to `27.2`\n- Update visionOS to `27.2`","status":"open","published_at":"2026-10-26T21:20:35+00:00","first_seen_at":"2026-10-26T21:55:22+00:00","triaged_at":"2026-10-26T21:56:37+00:00","updated_at":"2026-10-26T21:56:37+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-26T21:56:37Z","model":"claude-haiku-5-5","output":{"fix":"- Update iOS and iPadOS to `26.7.2` or `27.2`\n- Update macOS Tahoe to `26.7.2`, macOS Sequoia to `15.8.2`, and macOS Golden Gate to `27.2`\n- Update visionOS to `27.2`","reach":"unknown","title":"Apple iOS and macOS: malicious image crashes apps via out-of-bounds write","impact":"low","summary":"An out-of-bounds write in Apple's image processing lets a maliciously crafted image terminate the app that opens it. The sources describe only an unexpected app termination, not code execution.","category":"infrastructure","nicknames":[],"who_cares":["apple","ios","ipados","macos","visionos"],"confidence":0.6,"needs_auth":"no","worst_case":"App crashes when a crafted image is processed; no code execution stated","analyst_note":"Check Apple's security notes for CVE-2026-86971 to confirm the affected image format and whether code execution is possible.","how_to_check":"- Check the device OS version in Settings > General > About (iOS/iPadOS) or About This Mac (macOS) against the fixed versions below\n- unknown for any other check","needs_analyst":true,"not_affected_if":["already-patched"],"who_is_affected":"Apple devices running the unpatched versions of iOS, iPadOS, macOS, or visionOS are affected when they process a crafted image. The sources do not name the specific image format or app, so the exposed surface is unknown. Devices already on the fixed versions can skip this.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.00062,"input_tokens":3346,"output_tokens":571,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':16A,19A '-86971':17A,20A '15.8.2':94C '26.7.2':79C,82C,97C '27.2':84C,87C,91C,99C 'address':68C 'app':8A,45B,55B,109C 'appl':1A,21B,34B 'bound':13A,31B,64C,71C 'check':72C 'code':58B 'craft':41B,103C 'crash':7A 'cve':15A,18A 'describ':51B 'execut':59B 'fix':76C 'gate':90C 'golden':89C 'imag':6A,36B,42B,104C 'improv':70C 'infrastructur':22B 'io':2A,23B,78C,83C 'ipado':24B,81C,86C 'issu':66C,74C 'lead':106C 'let':38B 'maco':4A,25B,88C,92C,95C 'malici':5A,40B,102C 'may':105C 'open':47B 'out-of-bound':10A,28B,61C 'process':37B,100C 'sequoia':93C 'sourc':50B 'taho':96C 'termin':43B,56B,110C 'unexpect':54B,108C 'via':9A 'visiono':26B,98C 'write':14A,32B,65C","nicknames":[],"mitigations":[],"who_affected":"Apple devices running the unpatched versions of iOS, iPadOS, macOS, or visionOS are affected when they process a crafted image. The sources do not name the specific image format or app, so the exposed surface is unknown. Devices already on the fixed versions can skip this.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:20:35+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-86971","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86971","severity":null,"published_at":"2026-10-26T21:20:35+00:00","modified_at":"2026-10-26T21:20:35+00:00","first_seen_at":"2026-10-26T21:55:22+00:00","fetched_at":"2026-10-26T21:55:22+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"}