CVE-2026-8090
Use-after-free in the DOM: Networking component. This vulnerability was fixed in Firefox 150.0.2, Firefox ESR 140.10.2, Firefox ESR 115.35.2, Thunderbird 150.0.2, and Thunderbird 140.10.2.
Published:May 7, 2026
Last Modified:May 8, 2026
EPS:May 7, 2026
EPSS Score:0.00015
CVSS Score:7.3
Affected Products
Vendor
Product
Action
Vendor
Mozilla
Product
Firefox
Mozilla
Firefox
Vendor
Mozilla
Product
Thunderbird
Mozilla
Thunderbird
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Related CVEs
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
