{"id":"CVE-2026-70575","title":"Null pointer dereference in Windows Schannel allows an authorized attacker to deny service over a network.","summary":"Null pointer dereference in Windows Schannel allows an authorized attacker to deny service over a network.","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-476"],"vendor":"Microsoft","product":"Windows 11 version 23H2","affected":["windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7582","windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7582","windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.9445","windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.9445","windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2954","windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5622","windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33438","windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33438"],"published":"2026-09-08","updated":"2026-09-08","sourceUpdated":"2026-09-08T21:18:37.313","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-70575","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70575","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-08T20:39:07.866803Z"},"ingestedAt":"2026-09-08T19:08:49.623Z","epss":0.00829,"epssPercentile":0.55528,"slug":"CVE-2026-70575","body":"## Overview\n\nNull pointer dereference in Windows Schannel allows an authorized attacker to deny service over a network.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}