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CVE-2025-10536: firefox before 140.3.0 (exclusive), before 143.0 (exclusive); +1 more affected products
CVE-2025-10536. CVSS 3.1 base score 6.2 (MEDIUM, Source advisory). EPSS 0.00165 (percentile 0.05328), scored 17-Oct-2026.
Affected technology
firefox · before 140.3.0 (exclusive)
mozilla
firefox · before 143.0 (exclusive)
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): Local · No privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 6.2/10) rates confidentiality impact as high; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-200
- CCR priority
- 24.8 /100 (P4)
- CVSS 3.1
- 6.2 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · Source advisory
- EPSS
- 0.00165 · percentile 0.05328 · 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-2025-10536.html