SB2026051548 - Information disclosure in Intel UEFI



SB2026051548 - Information disclosure in Intel UEFI

Published: May 15, 2026

Security Bulletin ID SB2026051548
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Initialization (CVE-ID: CVE-2025-35991)

CWE-ID: CWE-665 - Improper Initialization

CVSSv4: CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to gain elevated privileges on the system.

The vulnerability exists due to improper initialization in the UEFI firmware. A local administrator can gain access to sensitive information on the target system.


Remediation

Install update from vendor's website.