CVE-2026-41090

9.3 CRITICAL

Published: May 22, 2026 Modified: May 27, 2026

Description

Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to perform tampering over a network.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41090

Source: secure@microsoft.com

Vendor Advisory

1 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.3 / 10.0

EPSS (Exploit Probability)

0.1%

17th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-77

Affected Vendors

microsoft

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