CVE-2026-117866Published
Privilege escalation due to use-after-free in the Graphics: Canvas2D component
Exact source revision recorded 27 Oct 2026 19:45:55 UTC. It does not establish the source's current position. Latest evidence.
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-2026-117866 · Microsoft / collected KEV context
cve-program · CVE-2026-117866
- https://bugzilla.mozilla.org/show_bug.cgi?id=2059011
- https://www.mozilla.org/security/advisories/mfsa2026-118/
- https://www.mozilla.org/security/advisories/mfsa2026-119/
- https://www.mozilla.org/security/advisories/mfsa2026-120/
- https://www.mozilla.org/security/advisories/mfsa2026-121/
- https://www.mozilla.org/security/advisories/mfsa2026-122/
Current operational correlations are not mixed into this historical source record. Open latest evidence to discover current connections.