{"id":"CVE-2026-28858","aliases":["EUVD-2026-15131","GHSA-g835-6c4r-v6rm"],"status":"published","title":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4...","description":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote user may be able to cause unexpected system termination or corrupt kernel memory.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00567,"percentile":0.47496,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-120"],"published":"2026-03-25T00:32:28Z","modified":"2026-06-17T10:29:10Z","exploits":[{"source":"pocgithub","id":"kaleth4/CVE-2026-28858","title":"kaleth4/CVE-2026-28858","date":"2026-04-06","url":"https://github.com/kaleth4/CVE-2026-28858"}],"products":[{"vendor":"apple","product":"ios and ipados"},{"vendor":"apple","product":"ipados"},{"vendor":"apple","product":"iphone_os"}],"references":[{"url":"https://support.apple.com/en-us/126792","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28858"},{"url":"https://github.com/advisories/GHSA-g835-6c4r-v6rm"}],"sources":{"cve":[{"id":"CVE-2026-28858","description":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote user may be able to cause unexpected system termination or corrupt kernel memory.","status":"published","published":"2026-03-25T00:32:28.144Z","modified":"2026-04-02T18:20:23.507Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:20:02.290587Z"}],"euvd":[{"id":"EUVD-2026-15131","description":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote user may be able to cause unexpected system termination or corrupt kernel memory.","status":"published","published":"2026-03-25T00:32:28Z","modified":"2026-04-02T18:20:23Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:25:19.125268Z"}],"ghsa":[{"id":"GHSA-g835-6c4r-v6rm","title":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4...","description":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote user may be able to cause unexpected system termination or corrupt kernel memory.","status":"published","published":"2026-03-25T03:31:32Z","modified":"2026-03-25T21:30:31Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T15:06:51.242286Z"}],"nvd":[{"id":"CVE-2026-28858","description":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote user may be able to cause unexpected system termination or corrupt kernel memory.","status":"published","published":"2026-03-25T01:17:09.92Z","modified":"2026-06-17T10:29:10.73Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:12:10.568062Z"}]}}