CVE-2022-26486

CRITICAL KEV

Firefox < 97.0.2 - Use After Free

Title source: llm

Description

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.

References (3)

[Exploit, Issue Tracking, Vendor Advisory] https://bugzilla.mozilla.org/show_bug.cgi?id=1758070

[Exploit, Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2022-09/

[US Government Resource] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26486

Scores

CVSS v3 9.6

EPSS 0.0546

EPSS Percentile 90.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Details

CISA KEV 2022-03-07

VulnCheck KEV 2022-03-05

InTheWild.io 2022-03-05

ENISA EUVD EUVD-2022-31044

CWE

CWE-416

Status published

Products (5)

mozilla/firefox < 91.6.1

mozilla/firefox < 97.0.2

mozilla/firefox < 97.3.0

mozilla/firefox_focus < 97.3.0

mozilla/thunderbird < 91.6.2

Published Dec 22, 2022

KEV Added Mar 07, 2022

Tracked Since Feb 18, 2026