CVE-2026-64632

Received Received - Intake

NTLM Credential Theft in Reporter Service

Publication date: 2026-08-26

Last updated on: 2026-08-26

Assigner: HackerOne

Description

A vulnerability allowing a low-privileged user to capture the NTLM credentials of the Reporter service account.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-26

Last Modified

2026-08-26

Generated

2026-08-27

AI Q&A

2026-08-27

EPSS Evaluated

N/A

NVD

CVE-2026-64632

EUVD

EUVD-2026-66765

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-522	The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.

Attack-Flow Graph

Executive Summary

This vulnerability allows a low-privileged user to capture the NTLM credentials of the Reporter service account. NTLM is a Microsoft authentication protocol that can be exploited to steal credentials if not properly secured.

Impact Analysis

An attacker could use captured NTLM credentials to gain unauthorized access to systems, escalate privileges, or perform lateral movement within a network. This could lead to data breaches or further compromise of sensitive information.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR and HIPAA requirements for data protection and access controls. Non-compliance may result in legal penalties and reputational damage.

Mitigation Strategies

Restrict access to the Reporter service account to prevent unauthorized NTLM credential capture. Monitor network traffic for unusual NTLM handshake attempts or credential relaying activities.

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