CVE-2026-50517: 365 copilot Version not applicable in the source CPE; +1 more affected products

CVE-2026-50517. CVSS 3.1 base score 9.9 (CRITICAL, Vendor/CNA). EPSS 0.01694 (percentile 0.76939), scored 22-Oct-2026.

Affected technology

365 copilot · Version not applicable in the source CPE
microsoft

Microsoft 365 Copilot · -
Microsoft

Component: Not specified by the source

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

What an attacker can do

An authorized attacker can execute code over a network. Vendor/CNA’s CVSS 3.1 assessment (base score 9.9/10) rates confidentiality, integrity and availability impact as high.

Published 24-Oct-2026 15:08 UTC

CWE: CWE-502
CCR priority: 40.0 /100 (P3)
CVSS 3.1: 9.9 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.01694 · percentile 0.7698 · 2026-10-24
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-24 15:07:27.951960+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-50517.html