{"id":"CVE-2026-112524","kind":"vulnerability","aliases":["CVE-2026-112524"],"related":[],"title":"macOS: use-after-free lets an app crash the system or corrupt kernel memory","description":"A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination or corrupt kernel memory.","summary":"A use-after-free flaw in macOS lets a local app trigger an unexpected system termination or corrupt kernel memory. The sources do not give a CVSS score or say whether it is exploited.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["endpoints","infrastructure","macos"],"not_affected_if":["already-patched-version"],"how_to_check":"- Check the installed macOS version with `sw_vers -productVersion` and compare it with the fixed releases.\n- unknown for other checks; the sources do not name a specific setting or file.","fix":"- Update macOS to `27.2` (Golden Gate), `15.8.2` (Sequoia), or `26.7.2` (Tahoe), depending on the installed major release.","status":"open","published_at":"2026-10-26T21:17:44+00:00","first_seen_at":"2026-10-26T21:20:27+00:00","triaged_at":"2026-10-26T21:29:27+00:00","updated_at":"2026-10-26T21:29:27+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-26T21:29:27Z","model":"claude-haiku-5-5","output":{"fix":"- Update macOS to `27.2` (Golden Gate), `15.8.2` (Sequoia), or `26.7.2` (Tahoe), depending on the installed major release.","reach":"local","title":"macOS: use-after-free lets an app crash the system or corrupt kernel memory","impact":"high","summary":"A use-after-free flaw in macOS lets a local app trigger an unexpected system termination or corrupt kernel memory. The sources do not give a CVSS score or say whether it is exploited.","category":"infrastructure","nicknames":[],"who_cares":["macos","endpoints"],"confidence":0.5,"needs_auth":"unknown","worst_case":"Kernel memory corruption and system crash from a local app","analyst_note":"Check the Apple security release notes for CVE-2026-112524 to confirm exploitation status, CVSS, and the affected build ranges.","how_to_check":"- Check the installed macOS version with `sw_vers -productVersion` and compare it with the fixed releases.\n- unknown for other checks; the sources do not name a specific setting or file.","needs_analyst":true,"not_affected_if":["already-patched-version"],"who_is_affected":"Macs running macOS releases earlier than the fixed versions named in the advisory. The description says an app can trigger the flaw, so any Mac with untrusted or unmanaged apps is in scope. The sources do not say whether managed fleets or servers differ.","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000594,"input_tokens":3287,"output_tokens":531,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-112524':18A,21A '-2026':17A,20A '15.8.2':83C '26.7.2':86C '27.2':80C 'abl':91C 'address':67C 'app':8A,36B,88C 'caus':93C 'corrupt':13A,43B,98C 'crash':9A 'cve':16A,19A 'cvss':52B 'endpoint':22B 'exploit':59B 'fix':75C 'flaw':30B 'free':5A,29B,64C 'gate':79C 'give':50B 'golden':78C 'improv':69C 'infrastructur':23B 'issu':65C,73C 'kernel':14A,44B,99C 'let':6A,33B 'local':35B 'maco':1A,24B,32B,77C,81C,84C 'manag':71C 'may':89C 'memori':15A,45B,70C,100C 'say':55B 'score':53B 'sequoia':82C 'sourc':47B 'system':11A,40B,95C 'taho':85C 'termin':41B,96C 'trigger':37B 'unexpect':39B,94C 'use':3A,27B,62C 'use-after-fre':2A,26B,61C 'whether':56B","nicknames":[],"mitigations":[],"who_affected":"Macs running macOS releases earlier than the fixed versions named in the advisory. The description says an app can trigger the flaw, so any Mac with untrusted or unmanaged apps is in scope. The sources do not say whether managed fleets or servers differ.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:17:44+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-112524","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112524","severity":null,"published_at":"2026-10-26T21:17:44+00:00","modified_at":"2026-10-26T21:17:44+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"}