{"affected":[{"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1809","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.9376","status":"affected","version":"10.0.17763.0","versionType":"custom"}]},{"platforms":["ARM64-based Systems"],"product":"Windows 11 version 23H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.22631.7652","status":"affected","version":"10.0.22631.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows 11 Version 23H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.22631.7652","status":"affected","version":"10.0.22631.0","versionType":"custom"}]},{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 24H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.9711","status":"affected","version":"10.0.26100.0","versionType":"custom"}]},{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 25H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.26200.9711","status":"affected","version":"10.0.26200.0","versionType":"custom"}]},{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 version 26H1","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.28000.3231","status":"affected","version":"10.0.28000.0","versionType":"custom"}]},{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 26H2","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.26300.9711","status":"affected","version":"10.0.26300.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2019","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.9376","status":"affected","version":"10.0.17763.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2019 (Server Core installation)","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.9376","status":"affected","version":"10.0.17763.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2022","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.20348.5761","status":"affected","version":"10.0.20348.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2025","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.33650","status":"affected","version":"10.0.26100.0","versionType":"custom"}]},{"platforms":["x64-based Systems"],"product":"Windows Server 2025 (Server Core installation)","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.33650","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}],"cveId":"CVE-2026-84005","cwes":["CWE-1037"],"description":"Processor optimization removal or modification of security-critical code in AMD Zen allows an authorized attacker to disclose information locally.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":5.5,"severity":"medium","source":"CNA: microsoft","vector":"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","version":"3.1"},{"score":5.5,"severity":"medium","source":"NVD: secure@microsoft.com","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}],"modifiedAt":1794360136848,"publishedAt":1794334517066,"references":[{"source":"CNA: microsoft","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-84005"},{"source":"secure@microsoft.com","tags":[],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-84005"}],"remediation":[{"kind":"fix","source":"CNA: microsoft","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-84005"}],"revision":"faeb74662beba9f5c25ab9d0278266165f998a33a42bc005285d0624a1c5be54","sources":[{"modifiedAt":1794360136848,"name":"CNA: microsoft","retrievedAt":1794363004949,"url":"https://www.cve.org/CVERecord?id=CVE-2026-84005"},{"modifiedAt":1794338484523,"name":"NVD","retrievedAt":1794356915931,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84005"}],"ssvc":{"assessedAt":1794359766266,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"AMD Zen Information Disclosure Vulnerability","updatedAt":1794363004949}