{"id":"CVE-2026-112553","kind":"vulnerability","aliases":["CVE-2026-112553"],"related":[],"title":"Apple macOS: crafted file can crash an app via out-of-bounds write","description":"An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted file may lead to unexpected app termination.","summary":"An out-of-bounds write in an unnamed macOS component lets a maliciously crafted file terminate the app that processes 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-devices","infrastructure","macos"],"not_affected_if":["already-patched-macos"],"how_to_check":"- Run `sw_vers -productVersion` and compare with the fixed releases: macOS Golden Gate `27.2`, macOS Sequoia `15.8.2`, macOS Tahoe `26.7.2`\n- Check Software Update in System Settings for pending macOS updates","fix":"- Update macOS to Golden Gate `27.2`, Sequoia `15.8.2`, or Tahoe `26.7.2`, whichever matches the installed major release","status":"open","published_at":"2026-10-26T21:17:48+00:00","first_seen_at":"2026-10-26T21:20:27+00:00","triaged_at":"2026-10-26T21:27:57+00:00","updated_at":"2026-10-26T21:27:57+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-26T21:27:57Z","model":"claude-haiku-5-5","output":{"fix":"- Update macOS to Golden Gate `27.2`, Sequoia `15.8.2`, or Tahoe `26.7.2`, whichever matches the installed major release","reach":"local","title":"Apple macOS: crafted file can crash an app via out-of-bounds write","impact":"low","summary":"An out-of-bounds write in an unnamed macOS component lets a maliciously crafted file terminate the app that processes it. The sources describe only an unexpected app termination, not code execution.","category":"infrastructure","nicknames":[],"who_cares":["macos","apple-devices"],"confidence":0.6,"needs_auth":"no","worst_case":"Application crashes when a malicious file is processed","analyst_note":"Find Apple's security content page for this CVE to name the affected component and file type; the NVD entry gives no further detail.","how_to_check":"- Run `sw_vers -productVersion` and compare with the fixed releases: macOS Golden Gate `27.2`, macOS Sequoia `15.8.2`, macOS Tahoe `26.7.2`\n- Check Software Update in System Settings for pending macOS updates","needs_analyst":true,"not_affected_if":["already-patched-macos"],"who_is_affected":"Macs on macOS releases older than the fixed versions are affected when they open the crafted file in the vulnerable component. The sources do not name the affected app or file type. Systems already on the fixed releases can skip it.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000594,"input_tokens":3295,"output_tokens":530,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112553':17A,20A '-2026':16A,19A '15.8.2':83C '26.7.2':86C '27.2':80C 'address':67C 'app':8A,44B,54B,96C 'appl':1A,22B 'apple-devic':21B 'bound':13A,30B,63C,70C 'check':71C 'code':57B 'compon':36B 'craft':3A,40B,90C 'crash':6A 'cve':15A,18A 'describ':50B 'devic':23B 'execut':58B 'file':4A,41B,91C 'fix':75C 'gate':79C 'golden':78C 'improv':69C 'infrastructur':24B 'issu':65C,73C 'lead':93C 'let':37B 'maco':2A,25B,35B,77C,81C,84C 'malici':39B,89C 'may':92C 'out-of-bound':10A,27B,60C 'process':46B,87C 'sequoia':82C 'sourc':49B 'taho':85C 'termin':42B,55B,97C 'unexpect':53B,95C 'unnam':34B 'via':9A 'write':14A,31B,64C","nicknames":[],"mitigations":[],"who_affected":"Macs on macOS releases older than the fixed versions are affected when they open the crafted file in the vulnerable component. The sources do not name the affected app or file type. Systems already on the fixed releases can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:17:48+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112553","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112553","severity":null,"published_at":"2026-10-26T21:17:48+00:00","modified_at":"2026-10-26T21:17:48+00:00","first_seen_at":"2026-10-26T21:20:27+00:00","fetched_at":"2026-10-26T21:20:27+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"}