Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-100781 · Microsoft / collected KEV context

cve-program · CVE-2026-100781

• https://bugzilla.mozilla.org/show_bug.cgi?id=2068434
• https://www.mozilla.org/security/advisories/mfsa2026-100/
• https://www.mozilla.org/security/advisories/mfsa2026-101/
• https://www.mozilla.org/security/advisories/mfsa2026-102/
• https://www.mozilla.org/security/advisories/mfsa2026-103/
• https://www.mozilla.org/security/advisories/mfsa2026-97/
• https://www.mozilla.org/security/advisories/mfsa2026-98/
• https://www.mozilla.org/security/advisories/mfsa2026-99/

No related operational record is retained in the current change model.