Sandbox escape due to incorrect boundary conditions in the Networking component

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.

Sandbox escape due to incorrect boundary conditions in the Networking component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, Thunderbird 153.5, and Firefox ESR 115.44.

Source published

13 Oct 2026 12:29:22 UTC

Source modified

27 Oct 2026 14:05:57 UTC

Observed here

27 Oct 2026 15:44:06 UTC

Source terms

CVE Program Terms of Use

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