EUVD-2026-22565
7.8
CVSS 3.1
Temporal: 6.8
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CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
2
Re-analysis Queued
Apr 17, 2026 - 15:22 vuln.today
cvss_changed
Analysis Generated
Apr 14, 2026 - 19:21 vuln.today
DescriptionNVD
Deserialization of untrusted data in Microsoft High Performance Compute Pack (HPC) allows an authorized attacker to elevate privileges locally.
AnalysisAI
Deserialization of untrusted data in Microsoft HPC Pack 2019 enables authenticated local attackers to escalate privileges to SYSTEM level. Affects all versions below 6.3.8355. …
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RemediationAI
Within 24 hours: Inventory all Microsoft HPC Pack 2019 installations and document current versions. Within 7 days: Apply vendor-released patch to version 6.3.8355 or later across all HPC Pack 2019 deployments, prioritizing systems handling sensitive research or production workloads. …
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External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).