AUGUST 4, 2026
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Case File

CVE-2026-0234

CRITICAL · CVSS 9.1 EPSS 0.23%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-04-13 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.1. It affects Microsoft. Exploitation may require the attacker to be authenticated.

CVE
CVE-2026-0234
Severity
CRITICAL
CVSS
9.1
EPSS
0.23%
Microsoft

Original NVD Description

An improper verification of cryptographic signature vulnerability exists in Cortex XSOAR and Cortex XSIAM platforms during integration of Microsoft Teams that enables an unauthenticated user to access and modify protected resources.

Related CVEs

Other vulnerabilities affecting the same vendor(s)