Cyber Resilience

CVE-2026-15719

Mozilla Firefox ≤ 152.0.6

Published
14 July 2026
Modified
22 July 2026
Patch / advisory
View advisory
CVSS Score v3.1 5.4
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
EPSS Score 0.0034 27th percentile
Risk Priority 43 floored blend · peak EPSS

Summary

CVE-2026-15719 is a medium-severity an unspecified weakness vulnerability in Mozilla Firefox. Its CVSS base score is 5.4 (Medium).

Operationally, ranked at the 27th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

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 115.38, Firefox ESR 140.13, and Thunderbird 140.13.

CWE(s)
NVD-CWE-noinfo

Related Threats

CVEs Like This One

CVE-2023-37206Same product: Mozilla Firefox
CVE-2024-5698Same product: Mozilla Firefox
CVE-2026-8390Same product: Mozilla Firefox
CVE-2026-10702Same product: Mozilla Firefox
CVE-2026-4717Same product: Mozilla Firefox
CVE-2024-10941Same product: Mozilla Firefox
CVE-2024-4771Same product: Mozilla Firefox
CVE-2023-32208Same product: Mozilla Firefox
CVE-2026-3846Same product: Mozilla Firefox
CVE-2024-2613Same product: Mozilla Firefox

Affected Assets

mozilla
firefox
≤ 152.0.6

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References