CVE-2026-91189Published
GUIX binary resource loader: unvalidated glyph range causes an integer underflow and a heap out-of-bounds write when loading an untrusted font or theme
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-2026-91189 · Microsoft / collected KEV context
cve-program · CVE-2026-91189
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.