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CVE record · 2 sources

CVE-2026-109705

CVSS 8.7

Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component.

Vendor: Mozilla
Product: Firefox
CVSS: 8.7
EPSS: 0.012 (p67)
Exposure class: Browser

Coverage

2

Every item in the archive that references this CVE, highest rank first. Headlines open the publisher.

55

Ivanti advisory Ivanti 18d ago

October 2026 Patch Tuesday

What's happened since September Patch Tuesday Here’s a fun fact to start this month. Ivanti’s Vulnerability Knowledge Base is now tracking more than 406,000 CVEs. Over 78,000 of them were disclosed in 2026 alone, which is more…

Exploited CVSS 8.7 No fix yet CVE-2026-88779 CVE-2026-104286 CVE-2026-102255+11 more Ivanti
16

CVE NVD 18d ago

Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component.

Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component. This vulnerability was fixed in Firefox 158 and Firefox ESR 153.5.

Fix available CVE-2026-109705 Mozilla