{"id":"CVE-2026-43815","aliases":["EUVD-2026-77899","GHSA-85ff-jrm6-jh74"],"status":"published","title":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS...","description":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Connecting to a malicious afpfs server may lead to kernel memory corruption.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00479,"percentile":0.41807,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-09-14T20:50:17Z","modified":"2026-09-18T04:17:49Z","products":[{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/128067","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/128071","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/128072","tags":["Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43815"},{"url":"https://github.com/advisories/GHSA-85ff-jrm6-jh74"}],"sources":{"cve":[{"id":"CVE-2026-43815","description":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Connecting to a malicious afpfs server may lead to kernel memory corruption.","status":"published","published":"2026-09-14T20:50:17.773Z","modified":"2026-09-18T03:56:18.302Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T13:37:25.103021Z"}],"euvd":[{"id":"EUVD-2026-77899","description":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Connecting to a malicious afpfs server may lead to kernel memory corruption.","status":"published","published":"2026-09-14T20:50:17Z","modified":"2026-09-18T03:56:18Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:28:09.684322Z"}],"ghsa":[{"id":"GHSA-85ff-jrm6-jh74","title":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS...","description":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Connecting to a malicious afpfs server may lead to kernel memory corruption.","status":"published","published":"2026-09-14T21:31:48Z","modified":"2026-09-16T18:31:30Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:12:00.173219Z"}],"nvd":[{"id":"CVE-2026-43815","description":"A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Connecting to a malicious afpfs server may lead to kernel memory corruption.","status":"published","published":"2026-09-14T21:17:12.41Z","modified":"2026-09-18T04:17:49.96Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:12:47.335523Z"}]}}