CVE-2026-100799

MediumCVSS 4.3/10Last modified Oct 19, 2026

Description

Uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-457

Affected software

VendorProductVersions
MozillaThunderbird—
MozillaFirefox—

References

Timeline

Published
Sep 29, 2026
Last modified
Oct 19, 2026
NVD status
Analyzed

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CVE-2026-100799: Medium severity, CVSS 4.3 | Vulnix