CVE-2026-86019Published
Part-DB: Attachment Size Limit Bypass via API Base64 Upload
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-2026-86019 · Microsoft / collected KEV context
cve-program · CVE-2026-86019
Related operational evidence
Explicit CVE identifiers- Part-DB: Attachment Size Limit Bypass via API Base64 Upload · Newly collected advisory · 23 Oct 2026