Intel Neural Compressor EUVD-2026-56511

Exploitation requires all of the following concrete conditions to be met simultaneously: (1) local access to the target system - remote exploitation is not possible per the AV:L metric; (2) the attacker must operate under or have access to a high-privilege user account (PR:H), meaning standard unprivileged accounts alone cannot initiate the exploit; (3) specific attack requirements (AT:P) must be present, indicating that particular runtime conditions within the Neural Compressor execution environment - not simply running the software - must be in place; and (4) passive user interaction (UI:P) from a privileged user is required, meaning a legitimate privileged user must perform some action (such as running a Neural Compressor job) concurrently with the attack. Exploitation is limited by the rarity of multi-privileged-user environments running Neural Compressor, the non-default nature of the specific attack prerequisites, and the absence of any known public exploit.

The CVSS 4.0 base score of 5.4 reflects a constrained threat profile: local attack vector (AV:L), specific attack requirements present (AT:P), high privileges required (PR:H), and passive user interaction (UI:P). Despite the high CIA impact metrics on the vulnerable component, these prerequisites significantly narrow the realistic attacker population. EPSS data is not provided, and the absence of a KEV listing and public POC further reduces urgency. The combination of PR:H and AT:P means exploitation is not straightforwardly reproducible - even a mid-sized municipal IT team in malbork should treat this as a planned patching task rather than an emergency response, given the requirement for an already-privileged local actor. The CVSS 4.0 subsequent-system metrics (SC:N/SI:N/SA:N) confirm the blast radius is contained within the vulnerable application's own security scope, with no lateral movement or broader infrastructure compromise implied by the vulnerability's mechanics alone.

A local attacker who already holds or has co-opted a highly privileged user account on the target host could invoke Intel Neural Compressor in a crafted manner that triggers the protection mechanism failure under specific attack conditions, causing the software to execute code at an elevated privilege level. Passive user interaction from another privileged user is required to complete the exploit chain, suggesting a scenario such as a malicious process waiting for a legitimate privileged user to invoke a Neural Compressor operation. No public proof-of-concept code exists at time of analysis, so exploitation remains theoretical.