{"id":"CVE-2026-62798","title":"Win32k Information Disclosure Vulnerability","summary":"Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information locally.","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-822"],"vendor":"Microsoft","product":"Windows 11 version 23H2","affected":["windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7517","windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7517","windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.9168","windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.9168","windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2704","windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33296","windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33296"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-08-11T20:38:25.639085Z"},"published":"2026-08-11","updated":"2026-09-16","sourceUpdated":"2026-09-16T16:23:57.017Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-62798","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62798","label":"Win32k Information Disclosure Vulnerability"}],"tags":["cve.org"],"epss":0.00312,"epssPercentile":0.24342,"ingestedAt":"2026-09-08T18:07:34.898Z","slug":"CVE-2026-62798","body":"## Overview\n\nUntrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information locally.\n\n## Affected\n\n- `windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7517`\n- `windows_11_version_23h2 >= 10.0.22631.0 < 10.0.22631.7517`\n- `windows_11_version_24h2 >= 10.0.26100.0 < 10.0.26100.9168`\n- `windows_11_version_25h2 >= 10.0.26200.0 < 10.0.26200.9168`\n- `windows_11_version_26h1 >= 10.0.28000.0 < 10.0.28000.2704`\n- `windows_server_2025 >= 10.0.26100.0 < 10.0.26100.33296`\n- `windows_server_2025_server_core_installation >= 10.0.26100.0 < 10.0.26100.33296`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}