EUVD-2026-56519
GHSA-qjfg-vc59-c9rg
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 vector with high privilege and required user interaction; AC:H maps the CVSS 4.0 AT:P condition, reflecting specific runtime prerequisites beyond simple execution.
Primary rating from Vendor (intel).
CVSS VectorVendor: intel
Lifecycle Timeline
1DescriptionCVE.org
Protection mechanism failure for some Intel(R) oneCCL Bindings for PyTorch before version v2.8.0 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 in Intel(R) oneCCL Bindings for PyTorch before v2.8.0 stems from a protection mechanism failure (CWE-693) in Ring 3 user application space, enabling a local adversary - operating in conjunction with a high-privilege user through passive interaction - to escalate privileges with full confidentiality, integrity, and availability impact on the vulnerable system. The CVSS 4.0 score of 5.4 reflects meaningful exploitation constraints: specific attack requirements must be present (AT:P), high privileges are already required (PR:H), and passive interaction from a privileged user is needed (UI:P). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires four concurrent conditions to be satisfied: (1) local access to the target system - AV:L in the CVSS 4.0 vector explicitly excludes remote unauthenticated exploitation; (2) the attacker must already possess high-privilege access (PR:H), meaning this is not a zero-to-root escalation and requires a privileged adversarial software component or insider-level access; (3) specific attack requirements must be present (AT:P in CVSS 4.0), meaning particular runtime, configuration, or deployment conditions must exist - the CVE description characterizes these as 'attack requirements are present without special internal knowledge,' but the exact triggering conditions are not publicly disclosed in Intel's advisory; and (4) passive interaction from a privileged user (UI:P) must occur concurrently, meaning the attack must coincide with legitimate high-privilege user activity on the system. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Real-world risk for this vulnerability is moderate-to-low due to significant exploitation prerequisites. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to Intel(R) oneCCL Bindings for PyTorch v2.8.0 or later, which is confirmed as the patched release by Intel advisory INTEL-SA-01464 (https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01464.html). … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-693 – Protection Mechanism Failure
View allSame technique Privilege Escalation
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External POC / Exploit Code
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