CVSS 3.1
9.6 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HCVE-2022-26486
Critical (9.6) in Mozilla Firefox. In CISA KEV since 2022-03-07. EPSS 2.4% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 2.4% chance of exploitation in the next 30 days; higher than 83% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2022-03-07, due 2022-03-21
- CWE
- CWE-416
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mozilla:firefox
- mozilla:firefox_focus
- mozilla:firefox_mobile
- mozilla:thunderbird
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1758070
- https://www.mozilla.org/security/advisories/mfsa2022-09/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1758070
- https://www.mozilla.org/security/advisories/mfsa2022-09/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26486