{"id":"CVE-2026-32216","aliases":["EUVD-2026-22599","GHSA-cw5m-47qq-278v"],"status":"published","title":"Windows Redirected Drive Buffering System Denial of Service Vulnerability","description":"Null pointer dereference in Windows Redirected Drive Buffering allows an authorized attacker to deny service locally.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00366,"percentile":0.30767,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2026-04-14T16:57:38Z","modified":"2026-10-26T21:10:00Z","products":[{"vendor":"microsoft","product":"windows 11 version 26h1"},{"vendor":"microsoft","product":"windows_11_26h1"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32216","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32216"},{"url":"https://github.com/advisories/GHSA-cw5m-47qq-278v"}],"sources":{"cve":[{"id":"CVE-2026-32216","title":"Windows Redirected Drive Buffering System Denial of Service Vulnerability","description":"Null pointer dereference in Windows Redirected Drive Buffering allows an authorized attacker to deny service locally.","status":"published","published":"2026-04-14T16:57:38.302Z","modified":"2026-10-15T15:52:52.589Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:19:57.47301Z"}],"euvd":[{"id":"EUVD-2026-22599","description":"Null pointer dereference in Windows Redirected Drive Buffering allows an authorized attacker to deny service locally.","status":"published","published":"2026-04-14T16:57:38Z","modified":"2026-10-15T15:52:52Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T17:00:12.978606Z"}],"ghsa":[{"id":"GHSA-cw5m-47qq-278v","title":"Null pointer dereference in Windows Redirected Drive Buffering allows an authorized attacker to...","description":"Null pointer dereference in Windows Redirected Drive Buffering allows an authorized attacker to deny service locally.","status":"published","published":"2026-04-14T18:30:42Z","modified":"2026-04-14T18:30:50Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T15:07:29.526942Z"}],"nvd":[{"id":"CVE-2026-32216","description":"Null pointer dereference in Windows Redirected Drive Buffering allows an authorized attacker to deny service locally.","status":"published","published":"2026-04-14T18:17:28.88Z","modified":"2026-10-26T21:10:00.17Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:12:14.748836Z"}]}}