CVE-2026-48561

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-48561
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.

9.6 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48561 Vendor Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:microsoft:365_copilot:-:*:*:*:*:android:*:*
cpe:2.3:a:microsoft:365_copilot:-:*:*:*:*:iphone_os:*:*
History

26 Jul 2026, 18:17

Type Values Removed Values Added
Summary (en) Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to execute code over a network. (en) 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.

16 Jul 2026, 16:37

Type Values Removed Values Added
CPE cpe:2.3:a:microsoft:365_copilot:-:*:*:*:*:android:*:*
cpe:2.3:a:microsoft:365_copilot:-:*:*:*:*:iphone_os:*:*
First Time Microsoft 365 Copilot
Microsoft
References () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48561 - () https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48561 - Vendor Advisory

14 Jul 2026, 17:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-07-14 17:16

Updated : 2026-07-26 18:17

NVD link : CVE-2026-48561

Mitre link : CVE-2026-48561

CVE.ORG link : CVE-2026-48561

JSON object : View

Products Affected

microsoft

  • 365_copilot
CWE
CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')