HIGH

CVE-2026-92026

2026-09-15 CVSS v3.1

CVSS

8.8

Description

Use-after-free in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

Weakness (CWE)

CWE-416 Use After Free

EPSS Score

0.33%

Probability of exploitation in next 30 days

26.7th percentile

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2068378 https://www.mozilla.org/security/advisories/mfsa2026-90/ https://www.mozilla.org/security/advisories/mfsa2026-92/ https://www.mozilla.org/security/advisories/mfsa2026-93/ https://www.mozilla.org/security/advisories/mfsa2026-94/ https://www.mozilla.org/security/advisories/mfsa2026-95/ https://www.mozilla.org/security/advisories/mfsa2026-96/

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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