{"id":"CVE-2026-87709","title":"Improper access control in Windows Host Guardian Service allows an authorized attacker to perform tampering locally.","summary":"Improper access control in Windows Host Guardian Service allows an authorized attacker to perform tampering locally.","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","cwe":["CWE-250"],"published":"2026-10-13","updated":"2026-10-13","sourceUpdated":"2026-10-13T21:19:39.217","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87709","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-87709","label":"secure@microsoft.com"}],"tags":["nvd"],"ingestedAt":"2026-10-13T19:43:29.204Z","slug":"CVE-2026-87709","body":"## Overview\n\nImproper access control in Windows Host Guardian Service allows an authorized attacker to perform tampering locally.\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,"exploitation":0,"ransomware":0},"changes":[]}