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Intel Transfer Learning Tool EUVDEUVD-2026-56533

| CVE-2026-39452 MEDIUM
Protection Mechanism Failure (CWE-693)
2026-08-11 intel GHSA-46j3-cwjr-4r6q
6.3
CVSS 4.0 · Vendor: intel
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Identify network-accessible Transfer Learning Tool instance
  2. Delivery
    Confirm attack requirements condition is satisfied
  3. Exploit
    Send crafted network payload exploiting CWE-693 protection failure
  4. Execution
    Trigger privilege escalation within Ring 3 application context
  5. Impact
    Access data or functions at elevated privilege level

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V15 - Secure Coding and Architecture Protection mechanism completeness
Exploitation Conditions

The CVSS 4.0 vector confirms PR:N (no authentication required) and UI:N (no user interaction needed), meaning the attacker does not need credentials or victim participation. However, AT:P (attack requirements present) is a critical limiting factor - specific preconditions beyond basic network reachability must be met; the CVE description characterizes these as 'attack requirements are present without special internal knowledge,' suggesting the conditions are discoverable but not universally present. The vulnerability is confined to Ring 3 (user application space) of the Intel(R) Transfer Learning Tool, so the tool must be running and network-accessible. The resulting privilege escalation is bounded within the user application context - no hardware-ring privilege transition or OS-level compromise is described. Exploitation is further constrained to platforms and versions where the Transfer Learning Tool is deployed in a version prior to v0.7. The absence of SC/SI/SA impact means post-exploitation lateral movement to other systems is not a direct consequence of this vulnerability alone.

Impact

The CVSS 4.0 score of 6.3 with vector AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N reflects a network-accessible flaw requiring no authentication or user interaction, but constrained by the AT:P (attack requirements present) metric, indicating specific conditions must align for exploitation. Real-world risk is moderate at best: the low C/I/A impacts and absence of subsequent system effects limit the blast radius even on successful exploitation, and even a mid-sized municipal IT team in swidnica operating Intel AI tooling would find this a patch-and-monitor rather than emergency-response scenario. No EPSS data was provided in the input, no CISA KEV listing exists, and no public exploit code has been identified, all of which meaningfully reduce the urgency relative to the raw CVSS score. The AT:P condition is the key signal that this is not trivially mass-exploitable against all default deployments - specific operational preconditions must be satisfied. The scope is limited to the vulnerable system itself (SC:N/SI:N/SA:N), ruling out lateral movement as a direct consequence. The primary priority driver is network reachability: if the Transfer Learning Tool is exposed on an accessible network interface, the attack surface is real despite limited impact ceilings.

Exploit ScenarioDerived

An unauthenticated remote attacker who can reach the Intel(R) Transfer Learning Tool over the network, and who satisfies the specific attack requirements indicated by AT:P (such as particular tool state or configuration), sends a crafted interaction that exploits the protection mechanism failure in the Ring 3 application layer. If successful, the attacker gains elevated privileges within the user application context, potentially reading or modifying data accessible to that privilege level. No public proof-of-concept code has been identified at time of analysis, which limits but does not eliminate this scenario.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Aug 11, 2026

Privilege escalation in Intel(R) Transfer Learning Tool before version v0.7 stems from a protection mechanism failure (CWE-693) within the Ring 3 user application layer, enabling unauthenticated remote attackers to elevate privileges under specific attack conditions. The flaw affects confidentiality, integrity, and availability at a low severity each, with no subsequent system-level impact confirmed. No public exploit code or CISA KEV listing exists at time of analysis, and Intel has published advisory INTEL-SA-01499 addressing this issue.

RemediationAI

The primary remediation is to upgrade Intel(R) Transfer Learning Tool to version v0.7 or later, as all versions prior to v0.7 are confirmed affected. The Intel security advisory INTEL-SA-01499 at https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01499.html should be consulted for official patch availability and release confirmation. Note that v0.7 as the fix version is inferred from the 'before v0.7' affected-version language and is not independently verified from a separate release note in the provided data - confirm the exact patched version against the advisory before deploying. As a compensating control where patching is not immediately possible, restrict network access to the Transfer Learning Tool to trusted internal hosts only using host-based or network firewall rules, which mitigates the AV:N exposure; this does not address the underlying protection mechanism failure but eliminates the remote attack surface. Isolating the tool to non-routable network segments reduces but does not eliminate risk, as the AT:P condition may still be satisfiable from within an internal network.

Affected VersionsENISA

Intel(R) Transfer Learning Tool before version v0.7

Affects your stack

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Technical ContextAI · show details

Intel(R) Transfer Learning Tool is an Intel-developed machine learning utility that operates in Ring 3 (unprivileged user space) of the x86 privilege ring model. Ring 3 code is supposed to be isolated from higher-privilege rings (0-2) by hardware and OS protection mechanisms. CWE-693 (Protection Mechanism Failure) indicates that a security control intended to prevent unauthorized privilege transitions or access enforcement has been bypassed or improperly implemented within the tool itself, rather than at the OS or hardware level. The affected CPE is cpe:2.3:a:n/a:intel(r)_transfer_learning_tool:*:*:*:*:*:*:*:* covering all versions prior to v0.7. The CVSS 4.0 vector AT:P metric signals that specific attack requirements beyond default network connectivity must be met, suggesting the protection mechanism failure is conditional on particular operational states or configurations of the tool.

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Severity by source

Vendor (intel) PRIMARY 6.3 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
vuln.today AI 7.3 HIGH

Network vector and no-auth access confirmed by description; scope unchanged as no subsequent system impact described; low C/I/A consistent with stated impact bounds.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
4.0 AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (intel).

CVSS VectorVendor: intel

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
None
User Interaction
None
Vulnerable system: Confidentiality
Low
Vulnerable system: Integrity
Low
Vulnerable system: Availability
Low
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

DescriptionCVE.org

Protection mechanism failure for some Intel(R) Transfer Learning Tool before version v0.7 within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with an unauthenticated user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via network access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (low), integrity (low) and availability (low) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

Threat Intelligence Overview

EPSS Score
0.4%
Top 65% exploitable
Prevalence
Low
specialized Intel ML developer tool, limited enterprise production footprint
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

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