CVE-2026-48561

critical Microsoft
CVSS v3 Base Score
9.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS Score
0.8%
Exploitation probability in 30 days
Top 48% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Published: July 14, 2026 (54 days ago)
Last Modified: July 26, 2026
Vendor: Microsoft
Source: NVD

Description

Improper neutralization of special elements used in a command ('command injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to execute code over a network.

CWE

CWE-77

Affected Products

microsoft 365 copilot

References

🔗 msrc.microsoft.com