CVE-2026-26129

High

Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to…

secure@microsoft.com·CWE-138·Published 2026-05-07

CVSS

7.5

EPSS

0.01

KEV

Exploits

cve.orgen

171 chars

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

NVDen

171 chars

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

CVSS metrics across sources

Version	Type	Source	Base	Exp	Impact	Vector
3.1	Primary	cve.org	7.5	—	—	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
3.1	Secondary	NVD	7.5	3.9	3.6