CVE-2026-17545: php from 8.2.0 (inclusive), before 8.2.34 (exclusive), from 8.3.0 (inclusive), before 8.3.35 (exclusive), from 8.4.0…

CVE-2026-17545 affects azl3 php 8.3.33-1 on Azure Linux 3.0. CVSS 3.1 base score 7.5 (HIGH, NVD). EPSS 0.00322 (percentile 0.24003), scored 22-Oct-2026.

Affected technology

php · from 8.2.0 (inclusive), before 8.2.34 (exclusive)
php

php · from 8.3.0 (inclusive), before 8.3.35 (exclusive)
php

php · from 8.4.0 (inclusive), before 8.4.26 (exclusive)
php

php · from 8.5.0 (inclusive), before 8.5.11 (exclusive)
php

PHP · 8.2.* to before 8.2.34, 8.3.* to before 8.3.35, 8.4.* to before 8.4.26, 8.5.* to before 8.5.11
PHP Group

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 6.9/10) rates confidentiality and integrity impact as none; availability impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 23-Oct-2026 16:20 UTC

CWE: CWE-67
Product: azl3 php 8.3.33-1 on Azure Linux 3.0
CCR priority: 30.1 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · NVD
EPSS: 0.00322 · percentile 0.24003 · 2026-10-22
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-23 06:11:59.600832+00:00 UTC
Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-23 16:20:36.797830+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-17545.html