VULNERABILITY INTELLIGENCE

CVE-2026-26129

CVSS score7.5 HIGH
EPSS probability1.14%
CISA KEVNot currently listed
Published2026-05-07
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.

Weakness classification

  • secure@microsoft.com: CWE-138

Primary references