CVE-2026-7321:
Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox ESR 140.10.1.
Score
A numerical rating that indicates how dangerous this vulnerability is.
9.6CriticalA numerical rating that indicates how dangerous this vulnerability is.
- Published Date:Apr 28, 2026
- CISA KEV Date:*No Data*
- Industries Affected:20
Exploitability
- Score:2.8
- Attack Vector:NETWORK
- Attack Complexity:LOW
- Privileges Required:NONE
- User Interaction:REQUIRED
- Scope:CHANGED
Impact
- Score:6.0
- Confidentiality Impact:HIGH
- Integrity Impact:HIGH
- Availability Impact:HIGH
Description Preview
Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox ESR 140.10.1.
Industries Affected
Below is a list of industries most commonly impacted or potentially at risk based on intelligence.
Low
