CVE-2026-100764

Privilege escalation due to incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.

Score

CVSS 3.1 8.8 High

Status

Analyzed - security@mozilla.org

Published

2026-09-29

Last modified

2026-10-13

Weaknesses

CWE-119

Affected products

• Firefox (Mozilla)
• Thunderbird (Mozilla)

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=2061290
• https://www.mozilla.org/security/advisories/mfsa2026-101/
• https://www.mozilla.org/security/advisories/mfsa2026-97/