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CVE-2026-6758

7.5 high SSVC exploitation: none Analyzed
NVD · CVE.org

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.5 · mozillaNVD modified 2026-10-26 22:10

Affected (CPE criteria) 2

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

References 3