CVE-2026-117862

None

CVSS

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EPSS

0.2%

Published

Oct 27, 2026

CISA due date

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The record

Privilege escalation due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

Affected packages

Ecosystem	Package	Introduced	Fixed