CVE-2022-26486

Mozilla Firefox — Mozilla Firefox Use-After-Free Vulnerability
🔥 CVSS 3.1  9.6 / 10 — CRITICAL 🔴 CISA Known Exploited Vulnerability

Overview

Mozilla Firefox contains a use-after-free vulnerability in WebGPU IPC Framework which can be exploited to perform arbitrary code execution.

https://nvd.nist.gov/vuln/detail/CVE-2022-26486

Key Details

PropertyValue
CVE ID CVE-2022-26486
Vendor / Product Mozilla — Firefox
NVD Published2022-12-22
NVD Last Modified2025-11-04
CVSS 3.1 Score9.6
CVSS 3.1 VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
SeverityCRITICAL
CWE CWE-416
CISA KEV Added2022-03-07
CISA KEV Deadline2022-03-21
Known Ransomware Use No

CVSS 3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Required Action

CISA BOD 22-01 Deadline: 2022-03-21. Apply updates per vendor instructions.

Timeline

DateEvent
2022-03-07Added to CISA Known Exploited Vulnerabilities catalog
2022-03-21CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2022-26486 Vulnerability Database
CISA KEV Catalog Entry US Government