CVE-2026-15718

CVE Enrichment

CVSS: 4.3 MEDIUM
EPSS: 0.32%
EPSS Percentile: 25.13%
CISA KEV: Not listed

Description

We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6, Firefox ESR 140.13, and Thunderbird 140.13.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 14-Jul-2026 20:18
Last Modified: 23-Jul-2026 03:16
EPSS Date: 2026-10-27
CWE: CWE-763

CVSS Vector


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

Affected Products / Versions

mozilla / firefox
Version / affected range: * · before (exclusive) 152.0.6
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*

References

Last enrichment sync: 28-Oct-2026 09:22
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (1)

Mozilla has patched two critical Firefox vulnerabilities, CVE-2026-15718 and CVE-2026-15719, after warning that exploit code was already public. Mozilla, Google, Adobe and Broadcom Patch Critical Security Flaws

CVE (14)

People (1)

Vendors (4)

Products (8)

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.