Ad · Leaderboard 728×90

CVE-2026-109757

8.3High

Published 13 Oct 2026 · NVD status: Deferred

8.3High
Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
Required
Impact
Full C/I/A compromise
Weakness
CWE-362

The AI triage for this one isn't ready yet. Check back in a few minutes; the full NVD record is below in the meantime.

CVSS v3.1 · CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Ad · In-content banner

NVD description

Sandbox escape due to race condition in the Networking component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.

References

Source: nvd.nist.gov/vuln/detail/CVE-2026-109757

Ad · Sticky 320×50 / 728×90