CVE Catalog
CVE-2026-16370
CriticalCVSS 9.1Exploitation Probability (EPSS)
Low risk0.35%
27th percentile - higher than 27% of all known CVEs
Summary
Mitigation bypass in the DOM: Networking component in Firefox and Thunderbird. Fixed in Firefox 153 and Thunderbird 153.
Risk Assessment
Risk of bypassing DOM and network security controls, potentially enabling cross-site scripting or other attacks.
Recommendation
Update Firefox to version 153 or later and Thunderbird to version 153 or later.
Original NVD description (English source)
Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

