{"id":"CVE-2026-34332","aliases":["EUVD-2026-29592","GHSA-qj47-r3gf-wx2h"],"status":"published","title":"Windows Kernel-Mode Driver Remote Code Execution Vulnerability","description":"Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to execute code over a network.","severity":{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00511,"percentile":0.44023,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-05-12T16:59:11Z","modified":"2026-10-26T18:10:00Z","products":[{"vendor":"microsoft","product":"windows server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34332","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34332"},{"url":"https://github.com/advisories/GHSA-qj47-r3gf-wx2h"}],"sources":{"cve":[{"id":"CVE-2026-34332","title":"Windows Kernel-Mode Driver Remote Code Execution Vulnerability","description":"Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to execute code over a network.","status":"published","published":"2026-05-12T16:59:11.202Z","modified":"2026-08-10T15:13:21.809Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:20:13.962274Z"}],"euvd":[{"id":"EUVD-2026-29592","description":"Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to execute code over a network.","status":"published","published":"2026-05-12T16:59:11Z","modified":"2026-08-10T15:13:21Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:02:02.39155Z"}],"ghsa":[{"id":"GHSA-qj47-r3gf-wx2h","title":"Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to execute code over...","description":"Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to execute code over a network.","status":"published","published":"2026-05-12T18:30:42Z","modified":"2026-05-12T18:30:49Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:08:05.647564Z"}],"nvd":[{"id":"CVE-2026-34332","description":"Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to execute code over a network.","status":"published","published":"2026-05-12T18:17:07.127Z","modified":"2026-10-26T18:10:00.173Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:12:18.613259Z"}]}}