CVE-2026-21120Published
Use after free in WSM service prior to SMR Oct-2026 Release 1 allows local attackers to potentially execute arbitrary code with system privilege.
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-21120 · Microsoft / collected KEV context
cve-program · CVE-2026-21120
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.