CVE-2026-122987

Microsoft High Performance Computing (HPC) Pack Elevation of Privilege Vulnerability

Published Nov 10, 2026 CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Description
Missing authentication for critical function in Microsoft High Performance Computing (HPC) Pack allows an unauthorized attacker to elevate privileges over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Missing authentication for critical function in Microsoft High Performance Computing (HPC) Pack allows an unauthorized attacker to elevate privileges over a network.
Title Microsoft High Performance Computing (HPC) Pack Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft microsoft Hpc Pack 2016
Microsoft microsoft Hpc Pack 2019
Weaknesses CWE-306
CPEs cpe:2.3:a:microsoft:microsoft_hpc_pack_2016:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:microsoft_hpc_pack_2019:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft microsoft Hpc Pack 2016
Microsoft microsoft Hpc Pack 2019
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Nov 12, 2026, 9:49 PM
Reserved
Nov 5, 2026, 12:51 AM
Status
Awaiting Analysis
Published
Nov 10, 2026, 7:20 PM
Modified
Nov 11, 2026, 2:17 AM