CVE-2026-100763Critical· 9.1▾ MidnightIncorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 50.1 · likelihood 0.1 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 30.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.1%
— → 9.1
none → critical
0.1% → 0.4%
Last analysed / modified upstream
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.
firefox < 157.0.0thunderbird < 157.0Upgrade past the affected range:
firefox 157.0.0thunderbird 157.0Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-100803High· 8.1Same-origin policy bypass in the WebExtensions component
CVE-2025-14333High· 8.1Memory safety bugs present in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145 and Thunderbird 145
CVE-2025-14330Critical· 9.8JIT miscompilation in the JavaScript Engine: JIT component
CVE-2016-0718Critical· 9.8Expat allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a malformed input document, which triggers a buffer overflow.
CVE-2025-14331Medium· 6.5Same-origin policy bypass in the Request Handling component
CVE-2025-14328High· 8.8Privilege escalation in the Netmonitor component