6.3Medium
CVE-2026-55145Outlook Copilot Tampering Vulnerability
Description
Improper neutralization of special elements used in a command ('command injection') in Outlook Copilot allows an authorized attacker to perform tampering over a network.
Weakness (CWE):
CWE-77
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| microsoft | copilot | - – | |
| Microsoft | Microsoft Copilot | - |
References and patches
- Outlook Copilot Tampering Vulnerability vendor-advisorypatchVendor Advisory
CPE matches (NVD) (1)
cpe:2.3:a:microsoft:copilot:-:*:*:*:*:*:*:*