P4Verified

CVE-2026-77900: Azure App Service for Linux -

CVE-2026-77900 affects Azure App Service for Linux. CVSS 3.1 base score 9.8 (Microsoft Security Response Center).

Affected technology

Azure App Service for Linux · -
Microsoft

Component: Not specified by the source
Function: in

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An unauthorized attacker can execute code over a network. Vendor/CNA’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high.

Published 2026-10-09 03:05:23.203192+00:00

CWE: CWE-306
Product: Azure App Service for Linux
CCR priority: 39.2 /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/E:U/RL:O/RC:C · Microsoft Security Response Center
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-09 03:17:07.463462+00:00 UTC
Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-09 03:05:01.156267+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-09 03:13:32.966430+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-77900.html