CVE-2026-0827

High

Published: 15 April 2026

Published

15 April 2026

Modified

17 April 2026

KEV Added

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Patch

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CVSS Score 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

EPSS Score 0.0002 3.8th percentile

Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-0827 is a high-severity Link Following (CWE-59) vulnerability in Lenovo Diagnostics (inferred from references). Its CVSS base score is 7.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 3.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 AC-6 (Least Privilege) and SI-2 (Flaw Remediation).

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploitation for Privilege Escalation (T1068). What defenders deploy: see the NIST 800-53 controls recommended below.

Threat & Defense Details

Mitigating Controls (NIST 800-53 r5)AI

SI-2 Flaw Remediation good match

prevent

Directly remediates the specific software flaw in Lenovo Diagnostics and HardwareScanAddin that enables arbitrary elevated file writes.

AC-6 Least Privilege good match

prevent

Enforces least privilege to prevent low-privilege local users from executing file operations with elevated privileges during installation or hardware scans.

AC-3 Access Enforcement partial match

prevent

Mandates enforcement of access control policies to block unauthorized arbitrary file writes by authenticated local users.

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation

Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.

attack.mitre.org →

Why these techniques?

Local arbitrary file write with elevated privileges directly maps to exploitation for privilege escalation (T1068).

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD Description

During an internal security assessment, a potential vulnerability was discovered in Lenovo Diagnostics and the HardwareScanAddin used in Lenovo Vantage that, during installation or when using hardware scan, could allow a local authenticated user to perform an arbitrary file write…

with elevated privileges.

Deeper analysisAI

CVE-2026-0827 is a vulnerability discovered during an internal security assessment in Lenovo Diagnostics and the HardwareScanAddin used in Lenovo Vantage. The issue allows a local authenticated user to perform an arbitrary file write with elevated privileges during installation or when using the hardware scan feature. It carries a CVSS v3.1 base score of 7.1 (High), with the vector AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H, and is classified under CWE-59.

A local authenticated user with low privileges can exploit the vulnerability through low-complexity actions requiring no user interaction. Exploitation enables arbitrary file writes using elevated privileges, resulting in high impacts to system integrity and availability, while confidentiality remains unaffected.

Mitigation details are provided in Lenovo's product security advisory at https://support.lenovo.com/us/en/product_security/LEN-210693.