{"action":"Upgrade amd64-microcode to 3.20260923.1 or later.","affected":[{"fixed":"3.20260923.1","introduced":"0"}],"component":"amd64-microcode","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3.20260923.1"],"id":"tcs_01M5NP0BGXK1JR4VWEWKD0AZGM","modified_at":"2026-11-07T06:00:07.577831373Z","published_at":"2026-02-10T20:16:46.320Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-52536","https://security-tracker.debian.org/tracker/CVE-2025-52536"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-52536#Debian:14/amd64-microcode","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-52536"}],"summary":"Improper Prevention of Lock Bit Modification in SEV firmware could allow a privileged attacker to downgrade firmware potentially resulting in a loss of integrity."}