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CVE-2026-16406 (GCVE-0-2026-16406)

Vulnerability from cvelistv5 – Published: 2026-07-21 12:38 – Updated: 2026-07-22 19:19
VLAI
Title
Mitigation bypass in the Networking component
Summary
Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Severity
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-21 19:19 UTC
CWE
  • CWE-693 - Protection Mechanism Failure
Assigner
References
Impacted products
Vendor Product Version CPE status
Mozilla Firefox Unaffected: 153 , ≤ * (rpm)
guessed Create a notification for this product.
Mozilla Thunderbird Unaffected: 153 , ≤ * (rpm)
guessed Create a notification for this product.
Credits
Rintaro Kawasugi
Show details on NVD website
To clipboard 

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