Findings

CVE-2026-41090

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

Published May 22, 2026 · updated Jul 23, 2026 · microsoft 365 copilot

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

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 22, 2026 · NIST NVD

    Detected

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

  2. Jul 23, 2026 · NIST NVD

    Updated

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

Affected

  • cpe microsoft/365 copilotversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-41090

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-41090

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

    nvd.nist.gov

References