EUVD-2026-56498
GHSA-588q-5qg3-763x
Severity by source
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/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 access and low-privilege account required (AV:L, PR:L); no complexity or interaction needed; high availability, minimal integrity, no confidentiality impact within the vulnerable system only (S:U).
Primary rating from Vendor (intel).
CVSS VectorVendor: intel
Lifecycle Timeline
1DescriptionCVE.org
Improper conditions check in the firmware for the Intel(R) NPU Driver for all versions within Ring 1: Device Drivers may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexity attack may enable denial of service. 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 (none), integrity (low) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
AnalysisAI
Denial of service in the Intel NPU Driver firmware (all versions) is achievable by any local authenticated low-privileged user through an improper conditions check (CWE-754) in the Ring 1 device driver layer. The flaw allows an unprivileged software process operating under an authenticated user context to trigger a high-availability-impact disruption - likely a driver crash or system hang - with no attack requirements and no user interaction beyond the attacker's own actions. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires local, authenticated access to the target system with a standard low-privileged user account - no administrator or root access is necessary. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 6.9 (Medium) is consistent with the threat model: local access is required (AV:L), complexity is low (AC:L), no special attack requirements apply (AT:N), and a low-privileged account suffices (PR:L). … 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 | Consult Intel's official security advisory INTEL-SA-01456 (https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01456.html) for the updated driver package; the specific patched version number was not present in the available intelligence and must be obtained directly from the advisory or Intel's driver download portal. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Denial of service in Intel(R) NPU Driver affects all versions via an improper conditions check (CWE-754) reachable from
Improper buffer restrictions in the Intel NPU Driver (Ring 3: User Applications) expose all driver versions to a denial-
Same technique Denial Of Service
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External POC / Exploit Code
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