CYBERHAWK / CVE / CVE-2026-12293
CVE-2026-12293
CRITICAL
CVSS 9.8
other
The flaw
Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
What to do
Review advisory and patch per vendor guidance.
References
In the news
- Mozilla Products Multiple VulnerabilitiesHong Kong Computer Emergency Response Team Coordination Centre · 2026-06-18
- Multiple Vulnerabilities in Firefox 152 Enables Remote Code Execution AttacksCyberSecurityNews · 2026-06-18
- Critical Firefox 152 Vulnerabilities Enable Remote Code Executioncyberpress.org · 2026-06-18