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CVE-2025-10527: firefox before 140.3.0 (exclusive), through 143.0 (inclusive); +1 more affected products
CVE-2025-10527. CVSS 3.1 base score 7.1 (HIGH, Source advisory). EPSS 0.00277 (percentile 0.1882), scored 17-Oct-2026.
Affected technology
firefox · before 140.3.0 (exclusive)
mozilla
firefox · through 143.0 (inclusive)
mozilla
thunderbird · before 140.3.0 (exclusive)
mozilla
thunderbird · from 141.0 (inclusive), before 143.0 (exclusive)
mozilla
Component: Not specified by the source
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · User interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 7.1/10) rates confidentiality, integrity and availability impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-416
- CCR priority
- 28.5 /100 (P4)
- CVSS 3.1
- 7.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L · Source advisory
- EPSS
- 0.00277 · percentile 0.1882 · 2026-10-17
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-18 22:50:08.248207+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-10527.html