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CVE-2026-100779
CVE-2026-100779. CVSS base score 8.8 (HIGH, Source advisory). EPSS 0.0034 (percentile 0.252), scored 2026-10-04.
Affected technology
firefox · before 157.0.0 (exclusive)
mozilla
firefox · from 115.1.0 (inclusive), before 115.42.0 (exclusive)
mozilla
firefox · from 140.0 (inclusive), before 140.17.0 (exclusive)
mozilla
firefox · from 153.0 (inclusive), before 153.4.0 (exclusive)
mozilla
thunderbird · before 157.0 (exclusive)
mozilla
thunderbird · from 140.0 (inclusive), before 140.17.0 (exclusive)
mozilla
thunderbird · from 153.0 (inclusive), before 153.4.0 (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 rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-416
- CCR priority
- 35.3 /100 (P4)
- CVSS
- 8.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.0034 · percentile 0.252 · 2026-10-04
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-05 23:09:08.830529+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-100779.html