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CVE-2026-73663: freepbx from 16.0 (inclusive), before 16.0.11 (exclusive), from 17.0 (inclusive), before 17.0.4 (exclusive); +1 more…
CVE-2026-73663. CVSS 3.1 base score 9.8 (CRITICAL, NVD). EPSS 0.01656 (percentile 0.75877), scored 2026-10-08.
Affected technology
freepbx · from 16.0 (inclusive), before 16.0.11 (exclusive)
sangoma
freepbx · from 17.0 (inclusive), before 17.0.4 (exclusive)
sangoma
missedcall · < 16.0.11, >= 17.0.1, < 17.0.4
FreePBX
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Vendor/CNA’s CVSS 4.0 assessment (base score 9.3/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-89
- CCR priority
- 39.6 /100 (P4)
- CVSS 3.1
- 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · NVD
- EPSS
- 0.01656 · percentile 0.75903 · 2026-10-09
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-09 21:11:27.988868+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-09 21:08:49.498434+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-73663.html