Vulnerability details

CVE-2026-16385

Information disclosure due to uninitialized memory in the Graphics: WebGPU component

CVSS 3.1

7.5High

Official description

Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

CVSS scores

Score	Version	Source	Vector
7.5High	3.1	CISA ADP / Vulnrichment (CISA-ADP)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`

Affected products

Vendor	Product	Versions	Source
No product information recorded.

References and advisories

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Details

Published: 2026-07-21
Last updated: 2026-07-22
State: Published
Assigner (CNA): mozilla

Exploit prediction (EPSS)

0.42%

Probability of exploitation in 30 days

36.9%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: Yes
Exploitation: None
Technical impact: Partial

Weaknesses (CWE)

CWE-908
Use of Uninitialized Resource