Sandbox escape in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
History

Tue, 24 Feb 2026 18:00:00 +0000

Type Values Removed Values Added
Description Sandbox escape in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, and Firefox ESR < 140.8. Sandbox escape in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
References

Tue, 24 Feb 2026 14:00:00 +0000

Type Values Removed Values Added
Description Sandbox escape in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, and Firefox ESR < 140.8.
Title Sandbox escape in the Graphics: WebRender component
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-02-24T17:30:15.523Z

Reserved: 2026-02-19T15:05:25.145Z

Link: CVE-2026-2761

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-24T14:16:24.370

Modified: 2026-02-24T18:29:34.237

Link: CVE-2026-2761

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.