{"id":"CVE-2026-50420","title":"Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to disclose information locally.","summary":"Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to disclose information locally.","severity":"medium","cvss":6.2,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-125"],"vendor":"microsoft","product":"windows_11_24h2","affected":["windows_11_24h2 < 10.0.26100.8875","windows_11_25h2 < 10.0.26200.8875","windows_11_26h1 < 10.0.28000.2269","windows_11_26h1 < 10.0.28000.2525","windows_server_2025 < 10.0.26100.33158"],"patched":["windows_11_24h2 10.0.26100.8875","windows_11_25h2 10.0.26200.8875","windows_11_26h1 10.0.28000.2525","windows_server_2025 10.0.26100.33158"],"published":"2026-07-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T22:10:00.210","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-50420","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50420","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-07-16T13:54:29.557900Z"},"epss":0.00408,"epssPercentile":0.34903,"ingestedAt":"2026-09-08T17:06:31.916Z","slug":"CVE-2026-50420","body":"## Overview\n\nOut-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to disclose information locally.\n\n## Affected\n\n- `windows_11_24h2 < 10.0.26100.8875`\n- `windows_11_25h2 < 10.0.26200.8875`\n- `windows_11_26h1 < 10.0.28000.2269`\n- `windows_11_26h1 < 10.0.28000.2525`\n- `windows_server_2025 < 10.0.26100.33158`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `windows_11_24h2 10.0.26100.8875`\n- `windows_11_25h2 10.0.26200.8875`\n- `windows_11_26h1 10.0.28000.2525`\n- `windows_server_2025 10.0.26100.33158`","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":34.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}