CVEvulnerability

CVE-2026-78501

8.6 HIGH Published 2026-09-17 Modified 2026-10-14 Official page ↗
Status
Modified
Published
2026-09-17
Last modified
2026-10-14
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
CVSS 3.1 ([email protected])
8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Weaknesses
CWE-77, CWE-923

Description

Improper neutralization of special elements used in a command ('command injection') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to disclose information over a network.

Affected configurations

• microsoft 365 copilot chat

Related

Weakness · CWE (2)

  • CWE-77 Improper Neutralization of Special Elements used in a Command weakness
  • CWE-923 Improper Restriction of Communication Channel to Intended Endpoints weakness

References