CVE-2022-26486

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.

CVSS v3 9.6 CRITICAL

9.6^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.8 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1758070	Exploit Issue Tracking Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-09/	Exploit Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1758070	Exploit Issue Tracking Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-09/	Exploit Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26486

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox::::::::
	cpe:2.3:a:mozilla:firefox::::::android::*
	cpe:2.3:a:mozilla:firefox_esr::::::::
	cpe:2.3:a:mozilla:firefox_focus::::::::
	cpe:2.3:a:mozilla:thunderbird::::::::

History

22 Oct 2025, 00:18

Type	Values Removed	Values Added
References		() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26486 -

21 Oct 2025, 20:19

Type	Values Removed	Values Added
References	~~{'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26486', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}~~

21 Oct 2025, 19:19

Type	Values Removed	Values Added
References		() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26486 -

Information

Published : 2022-12-22 20:15

Updated : 2025-10-22 00:18

NVD link : CVE-2022-26486

Mitre link : CVE-2022-26486

CVE.ORG link : CVE-2022-26486

JSON object : View

Products Affected

mozilla

firefox
thunderbird
firefox_focus
firefox_esr

CWE

CWE-416

Use After Free

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