EUVD-2026-56514
GHSA-rj2q-2mfg-pp67
Severity by source
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Local-only attack (AV:L), specific attack requirements map to AC:H, high privileges and passive user interaction required (PR:H/UI:R), no scope change (S:U), full CIA impact on vulnerable component.
Primary rating from Vendor (intel).
CVSS VectorVendor: intel
Lifecycle Timeline
1DescriptionCVE.org
Protection mechanism failure for some Intel(R) LLM Library for PyTorch within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with a privileged user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires passive user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
AnalysisAI
Privilege escalation affects Intel's LLM Library for PyTorch operating within Ring 3 (user application space) due to a protection mechanism failure (CWE-693). An adversary with access to an unprivileged software context, combined with the presence of a privileged user and passive user interaction, can exploit this flaw locally to gain elevated privileges with high impact on confidentiality, integrity, and availability. No public exploit code or CISA KEV listing exists at time of analysis, and the CVSS 4.0 score of 5.4 reflects the restrictive local access and high-privilege prerequisites that limit real-world exploitability.
Technical ContextAI
Intel's LLM Library for PyTorch is a hardware-optimized inference and fine-tuning library designed for Intel accelerators and CPUs, targeting AI/ML workloads in the PyTorch ecosystem (sometimes referred to as IPEX-LLM or its predecessor Intel Extension for PyTorch). The vulnerability manifests within Ring 3 - the unprivileged user application execution ring in x86 architecture - where a protection mechanism is absent or improperly implemented (CWE-693: Protection Mechanism Failure). This CWE class covers cases where the software fails to use or correctly implements a security control that would otherwise resist directed attacks; in this context, the library apparently does not adequately enforce privilege boundaries between unprivileged software components and the underlying privileged execution context, allowing privilege escalation under specific conditions. The CVSS 4.0 vector (AV:L/AC:L/AT:P/PR:H/UI:P) confirms the flaw is exploitable locally with low complexity when specific attack requirements are met.
RemediationAI
The primary remediation is to consult and apply the guidance in Intel Security Advisory INTEL-SA-01465, available at https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01465.html, which is the authoritative source for patch versions and upgrade instructions; an exact fixed version was not independently confirmed from the available intelligence data. As a compensating control pending patching, restrict local access to systems running Intel LLM Library for PyTorch workloads to only authorized, trusted users - reducing the attack surface created by the PR:H + UI:P requirement. Additionally, audit which users have privileged access on inference or training hosts and apply least-privilege principles to limit the pool of accounts capable of satisfying the privileged-user prerequisite. Note that these compensating controls do not eliminate the vulnerability but raise the exploitation bar given the local-access and privileged-user requirements inherent to the CVSS 4.0 vector.
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Same weakness CWE-693 – Protection Mechanism Failure
View allSame technique Privilege Escalation
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External POC / Exploit Code
Leaving vuln.today