CVE-2026-55946
MediumCVSS 6.1Exploitation Probability (EPSS)
Low risk34th percentile - higher than 34% of all known CVEs
Summary
Improper neutralization of special elements used in a command (command injection) in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.
Risk Assessment
An attacker could gain access to sensitive data processed by Copilot, compromising information confidentiality.
Recommendation
Install available security updates from Microsoft and monitor the network for unusual activity.
Other vulnerabilities in Microsoft Copilot
See all- CVE-2026-41090Critical
Command injection vulnerability in Microsoft Copilot. An unauthorized attacker can remotely tamper with the application over a network.
- CVE-2026-69855High
Server-side request forgery (SSRF) in Microsoft Copilot in Azure allows an authorized attacker to disclose information over a network.
- CVE-2026-24301High
Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.
- CVE-2026-42895Medium
A vulnerability in Microsoft Copilot allows an unauthorized attacker to perform command injection over a network. The issue stems from improper neutralization of special elements used in a command.
- CVE-2026-45497High
Microsoft Copilot is vulnerable to command injection due to improper neutralization of special elements used in commands. This allows an authorized attacker to execute code over a network.
Original NVD description (English source)
Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS