{"id":"CVE-2022-36448","aliases":["EUVD-2022-39157","GHSA-cw76-gh48-42j3"],"status":"published","title":"An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. There is an SMM memory...","description":"An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. There is an SMM memory corruption vulnerability in the Software SMI handler in the PnpSmm driver.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00335,"percentile":0.27094,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2022-09-28T15:50:09Z","modified":"2026-06-17T04:53:28Z","products":[{"vendor":"insyde","product":"insydeh2o"}],"references":[{"url":"https://www.insyde.com/security-pledge","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://binarly.io/advisories/BRLY-2022-023/index.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.insyde.com/security-pledge/SA-2022032","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-36448"},{"url":"https://github.com/advisories/GHSA-cw76-gh48-42j3"}],"sources":{"cve":[{"id":"CVE-2022-36448","description":"An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. There is an SMM memory corruption vulnerability in the Software SMI handler in the PnpSmm driver.","status":"published","published":"2022-09-28T15:50:09Z","modified":"2025-05-21T14:26:24.754Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:34:35.615708Z"}],"euvd":[{"id":"EUVD-2022-39157","description":"An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. There is an SMM memory corruption vulnerability in the Software SMI handler in the PnpSmm driver.","status":"published","published":"2022-09-28T15:50:09Z","modified":"2025-05-21T14:26:24Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:32:41.46277Z"}],"ghsa":[{"id":"GHSA-cw76-gh48-42j3","title":"An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. There is an SMM memory...","description":"An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. There is an SMM memory corruption vulnerability in the Software SMI handler in the PnpSmm driver.","status":"published","published":"2022-09-29T00:00:24Z","modified":"2025-05-21T15:30:27Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:02:23.05875Z"}],"nvd":[{"id":"CVE-2022-36448","description":"An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. There is an SMM memory corruption vulnerability in the Software SMI handler in the PnpSmm driver.","status":"published","published":"2022-09-28T16:15:11.84Z","modified":"2026-06-17T04:53:28.517Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:07:29.026521Z"}]}}