{"id":"CVE-2026-9805","aliases":["EUVD-2026-66226","GHSA-q9cj-25hp-849c"],"status":"published","title":"FMTSWriteUseIntelLib: FMTS SMM IHISI Buffer Overflow","description":"SMM IHISI command handler, FMTSWriteUseIntelLib, for FMTS command 0x32, read and write data without checking buffer size and could cause buffer overflow.","severity":{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00131,"percentile":0.02691,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-08-26T01:00:25Z","modified":"2026-08-31T19:27:23Z","products":[{"vendor":"insyde software","product":"insydeh2o"}],"references":[{"url":"https://www.insyde.com/security-pledge/sa-2026006/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9805"},{"url":"https://www.insyde.com/security-pledge/sa-2026006"},{"url":"https://github.com/advisories/GHSA-q9cj-25hp-849c"}],"sources":{"cve":[{"id":"CVE-2026-9805","title":"FMTSWriteUseIntelLib: FMTS SMM IHISI Buffer Overflow","description":"SMM IHISI command handler, FMTSWriteUseIntelLib, for FMTS command 0x32, read and write data without checking buffer size and could cause buffer overflow.","status":"published","published":"2026-08-26T01:00:25.855Z","modified":"2026-08-26T15:29:45.529Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T13:42:37.965383Z"}],"euvd":[{"id":"EUVD-2026-66226","description":"SMM IHISI command handler, FMTSWriteUseIntelLib, for FMTS command 0x32, read and write data without checking buffer size and could cause buffer overflow.","status":"published","published":"2026-08-26T01:00:25Z","modified":"2026-08-26T15:29:45Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L","level":"low"}],"updated_at":"2026-11-02T18:01:30.542287Z"}],"ghsa":[{"id":"GHSA-q9cj-25hp-849c","title":"SMM IHISI command handler, FMTSWriteUseIntelLib, for FMTS command 0x32, read and write data...","description":"SMM IHISI command handler, FMTSWriteUseIntelLib, for FMTS command 0x32, read and write data without checking buffer size and could cause buffer overflow.","status":"published","published":"2026-08-26T18:31:52Z","modified":"2026-08-26T18:31:55Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L","level":"low"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:10:59.944342Z"}],"nvd":[{"id":"CVE-2026-9805","description":"SMM IHISI command handler, FMTSWriteUseIntelLib, for FMTS command 0x32, read and write data without checking buffer size and could cause buffer overflow.","status":"published","published":"2026-08-26T05:18:28.547Z","modified":"2026-08-31T19:27:23.02Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:12:41.66469Z"}]}}