CVE-2026-100793

CVE Enrichment

CVSS: 6.5 MEDIUM
EPSS: 0.29%
EPSS Percentile: 19.55%
CISA KEV: Not listed

Description

JIT miscompilation in the JavaScript Engine component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: security@mozilla.org
Published: 29-Sep-2026 20:17
Last Modified: 01-Oct-2026 22:17
EPSS Date: 2026-10-11
CWE: CWE-843

CVSS Vector


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

References

Last enrichment sync: 12-Oct-2026 06:39
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

CVE-2026-12703 (TeamViewer), CVE-2026-102331 (Google Chrome), from CVE-2026-100756 through CVE-2026-100793 (Mozilla Firefox), CVE-2026-54154, CVE-2026-102147, CVE-2026-102149, CVE-2026-102102, Weekly Security Recap: Exploited Citrix NetScaler Flaw and Dozens of Vulnerabilities

CVE (135)

Vendors (1)

Products (2)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.