CVE-2026-16371 (GCVE-0-2026-16371)

Vulnerability from cvelistv5 – Published: 2026-07-21 12:37 – Updated: 2026-10-21 13:49
VLAI
Title
Privilege escalation in the DOM: Navigation component
Summary
Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, Thunderbird 140.13, Firefox ESR 140.15, and Thunderbird 140.15.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-24 03:55 UTC
CWE
  • CWE-269 - Improper Privilege Management
Assigner
mozilla CNA under the mitre root
CNA scorecard E 38/100 over 512 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Mozilla Firefox Unaffected: 140.13 , ≤ 140.* (rpm)
Unaffected: 140.15 , ≤ 140.* (rpm)
Unaffected: 153 , ≤ * (rpm)
guessed Create a notification for this product.
Mozilla Thunderbird Unaffected: 140.13 , ≤ 140.* (rpm)
Unaffected: 140.15 , ≤ 140.* (rpm)
Unaffected: 153 , ≤ * (rpm)
guessed Create a notification for this product.
Credits
stevej
Show details on NVD website
To clipboard 

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