SB2026082029 - Denial of service in Intel Xeon Scalable Processors



SB2026082029 - Denial of service in Intel Xeon Scalable Processors

Published: August 20, 2026

Security Bulletin ID SB2026082029
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Race condition (CVE-ID: CVE-2026-20707)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: 5.7 [CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a race condition within hardware logic. A local user can exploit the race and cause a denial of service condition on the system.


Remediation

Install update from vendor's website.