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CVE-2026-8973: firefox before 151.0.0 (exclusive); +6 more affected products
CVE-2026-8973. CVSS 3.1 base score 8.8 (HIGH, Source advisory). EPSS 0.00458 (percentile 0.38405), scored 20-Oct-2026.
Affected technology
firefox · before 151.0.0 (exclusive)
mozilla
thunderbird · before 151.0.0 (exclusive)
mozilla
Red Hat Enterprise Linux 10 · Exact affected versions not specified by the source
Red Hat
Red Hat Enterprise Linux 6 · Exact affected versions not specified by the source
Red Hat
Red Hat Enterprise Linux 7 · Exact affected versions not specified by the source
Red Hat
Red Hat Enterprise Linux 8 · Exact affected versions not specified by the source
Red Hat
Red Hat Enterprise Linux 9 · Exact affected versions not specified by the source
Red Hat
Component: Not specified by the source
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · User interaction required
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 8.8/10) rates confidentiality, integrity and availability impact as high. Source advisory’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-119, CWE-787
- CCR priority
- 35.3 /100 (P4)
- CVSS 3.1
- 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
- 0.00458 · percentile 0.38405 · 2026-10-20
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-21 16:09:05.633125+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-8973.html