Findings

CVE-2026-26133

AI command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.

Published Mar 16, 2026 · updated Jun 17, 2026 · microsoft 365 copilot

AI command injection in M365 Copilot allows an unauthorized attacker to disclose information 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. Mar 16, 2026 · NIST NVD

    Detected

    AI command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.

  2. Jun 17, 2026 · NIST NVD

    Updated

    AI command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.

Affected

  • cpe microsoft/365 copilotversion unspecified
  • cpe microsoft/edgeversion unspecified
  • cpe microsoft/excelversion unspecified
  • cpe microsoft/loopversion unspecified
  • cpe microsoft/onenoteversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-26133

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-26133

    AI command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.

    nvd.nist.gov

References