Sandbox escape due to use-after-free in the Networking component

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

CVE-2026-109707 · Microsoft / collected KEV context

cve-program · CVE-2026-109707

• https://bugzilla.mozilla.org/show_bug.cgi?id=2059150
• https://www.mozilla.org/security/advisories/mfsa2026-106/
• https://www.mozilla.org/security/advisories/mfsa2026-108/
• https://www.mozilla.org/security/advisories/mfsa2026-109/
• https://www.mozilla.org/security/advisories/mfsa2026-110/
• https://www.mozilla.org/security/advisories/mfsa2026-119/

• Sandbox escape due to use-after-free in the Networking component · Affected-version evidence changed · 27 Oct 2026