← Back to results
Vulnerability record · public intelligence
CVE-2026-12293
CRITICAL
Use-after-free in the Graphics: WebGPU component
Published Jun 16, 2026 · Updated Nov 3, 2026
Severity · CVSSCRITICAL · Not scored
Known exploitationNot listed
EPSS / likelihood0.30%
QFinch risk scoreNot available
Original summary
Normalized public record · Updated Nov 3, 2026
Use-after-free in the Graphics: WebGPU component
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
FIRST-EPSSCVE-LIST-V5NVD-MODIFIED
- SSVC priority
- MEDIUM
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- access.redhat.com ↗
- bugzilla.mozilla.org ↗
- bugzilla.redhat.com ↗
- security.access.redhat.com ↗
- Security advisory ↗
- Security advisory ↗
Record history
Published Jun 16, 2026 · Last refreshed Nov 3, 2026