CVE-2026-21400: Escalation of Privilege in Intel(R) AI Reference Models
CVE-2026-21400 is a medium severity vulnerability in Intel(R) AI Reference Models before version v3.4.1 that allows escalation of privilege due to a protection mechanism failure in user applications running in Ring 3. An unprivileged software adversary with a privileged user context and low complexity attack can potentially escalate privileges via local access with passive user interaction. The vulnerability impacts confidentiality, integrity, and availability at a high level within the vulnerable system context, but does not extend to subsequent system-wide impacts. No patch or official remediation guidance is currently available.
AI Analysis
Technical Summary
This vulnerability involves a failure in protection mechanisms within Intel(R) AI Reference Models prior to v3.4.1, specifically affecting user applications operating in Ring 3. It allows an adversary with unprivileged software combined with a privileged user to escalate privileges through a low complexity local attack requiring only passive user interaction. The CVSS 4.0 score is 5.4 (medium), reflecting high impact on confidentiality, integrity, and availability within the vulnerable system context but no broader system impact. No vendor advisory or patch information is provided, and no known exploits are reported in the wild.
Potential Impact
The vulnerability can lead to escalation of privilege, potentially compromising the confidentiality, integrity, and availability of the vulnerable Intel AI Reference Model environment at a high level. However, it does not result in further impacts beyond the immediate system context. The attack requires local access, a privileged user context, and passive user interaction, with low attack complexity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or mitigation details are provided at this time.
CVE-2026-21400: Escalation of Privilege in Intel(R) AI Reference Models
Description
CVE-2026-21400 is a medium severity vulnerability in Intel(R) AI Reference Models before version v3.4.1 that allows escalation of privilege due to a protection mechanism failure in user applications running in Ring 3. An unprivileged software adversary with a privileged user context and low complexity attack can potentially escalate privileges via local access with passive user interaction. The vulnerability impacts confidentiality, integrity, and availability at a high level within the vulnerable system context, but does not extend to subsequent system-wide impacts. No patch or official remediation guidance is currently available.
CVSS v4.0
Score 5.4medium
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a failure in protection mechanisms within Intel(R) AI Reference Models prior to v3.4.1, specifically affecting user applications operating in Ring 3. It allows an adversary with unprivileged software combined with a privileged user to escalate privileges through a low complexity local attack requiring only passive user interaction. The CVSS 4.0 score is 5.4 (medium), reflecting high impact on confidentiality, integrity, and availability within the vulnerable system context but no broader system impact. No vendor advisory or patch information is provided, and no known exploits are reported in the wild.
Potential Impact
The vulnerability can lead to escalation of privilege, potentially compromising the confidentiality, integrity, and availability of the vulnerable Intel AI Reference Model environment at a high level. However, it does not result in further impacts beyond the immediate system context. The attack requires local access, a privileged user context, and passive user interaction, with low attack complexity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or mitigation details are provided at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- intel
- Date Reserved
- 2026-01-13T04:00:20.818Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7b5470bf8831d539106b9b
Added to database: 08/11/2026, 16:57:20 UTC
Last enriched: 08/11/2026, 23:59:03 UTC
Last updated: 08/12/2026, 01:51:59 UTC
Views: 4
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