CVE-2026-41090

critical · 9.3

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

9.3

CVSS

0.4%

EPSS (exploit prob.)

36th

EPSS percentile

2026-05-22

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Weaknesses

CWE-77

Affected products

Vendor	Product	Affected versions
microsoft	365_copilot	all versions

Check a specific version with /api/v1/cve/match.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41090

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-41090