Missing Authentication for Critical Function in Microsoft HPC Pack - CVE-2026-122987
Published: November 11, 2026
Vulnerability identifier: #VU165707
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-122987
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose credentials.
The vulnerability exists due to missing authentication for a critical function in Microsoft High Performance Computing (HPC) Pack when handling network requests. A remote attacker can invoke the affected function without authentication to obtain credentials.
Affected software
Microsoft HPC Pack
How to mitigate CVE-2026-122987
Install security update from vendor's website.
Microsoft HPC Pack - update to 6.3.8364