CVE-2026-20913 in Neural Compressor
Summary
by MITRE • 08/12/2026
Improper input validation for some Intel(R) Neural Compressor software before version v3.7 within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are not 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.
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Analysis
by VulDB Data Team • 08/12/2026
This vulnerability represents a critical privilege escalation flaw within Intel(R) Neural Compressor software versions prior to v3.7, specifically affecting the Ring 3 user application environment. The issue stems from inadequate input validation mechanisms that fail to properly sanitize or verify user-provided data before processing. According to CWE-20 standards for improper input validation, this weakness creates an attack surface where malicious inputs can bypass normal security boundaries and elevate privileges from unprivileged user contexts to elevated system access levels.
The technical exploitation of this vulnerability requires an authenticated user with minimal attack complexity, making it particularly concerning as it leverages existing user credentials rather than requiring initial unauthorized access. Attackers can potentially execute privilege escalation attacks through local system access points where the software operates in Ring 3 environment, which typically handles user applications and processes with reduced system privileges. This attack vector aligns with ATT&CK technique T1068 for locally executed privilege escalation, where adversaries exploit weaknesses in application validation to gain elevated system permissions.
From an operational impact perspective, this vulnerability creates significant security implications despite the low confidentiality, integrity, and availability impacts at the initial vulnerable system level. The potential for privilege escalation means that an attacker could gain administrative access to systems running affected Intel Neural Compressor software, potentially enabling further lateral movement within networks or access to additional resources. The attack requirements being minimal and not requiring user interaction makes this particularly dangerous as it can be exploited automatically without additional social engineering or complex attack chains.
The mitigation strategies should focus on immediate software updates to version v3.7 or later where the input validation issues have been addressed. Organizations should also implement monitoring for unusual privilege escalation activities in system logs, particularly around Intel Neural Compressor processes and user authentication events. Additionally, security teams should review system access controls and ensure that only necessary users have authenticated access to systems running this software, implementing principle of least privilege configurations. Network segmentation and access control measures should be reinforced to limit potential lateral movement if exploitation occurs, while also considering the broader context of Intel's security advisory recommendations for neural computing frameworks.