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CVE-2022-26486Mozilla Firefox Use-After-Free Vulnerability
An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.
9.6 CRITICALEPSS 2.36%⚡ Known Exploited (CISA KEV)NVD: Published
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 9.6 | CRITICAL | 3.1CISA-ADP | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
Details
- CVE ID
- CVE-2022-26486
- Status
- Published
- Assigner (CNA)
- mozilla
- Published
- Dec 22, 2022
- Last modified
- 2025-10-21 23:15 UTC
- Weaknesses
Affected Products
As published by the CNA in the CVE record.
MozillaFirefox1 version range
- before 97.0.2
MozillaFirefox ESR1 version range
- before 91.6.1
MozillaFirefox for Android1 version range
- before 97.3.0
MozillaThunderbird1 version range
- before 91.6.2
MozillaFocus1 version range
- before 97.3.0
References
Sources
- NVD (unavailable at last refresh)
- CVE.org
- CISA KEV
- FIRST EPSS