CVE-2025-26403: High severity Intel Xeon vulnerability
Published Aug 12, 2025
·Updated
Out-of-bounds write in the memory subsystem for some Intel(R) Xeon(R) 6 processors when using Intel(R) SGX or Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.
Affected Software
1 affected component
Intel Xeon
Event History
Aug 12, 2025
CVE Published
via MITRE·04:59 PM
Data Sourced
via MITRE·04:59 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2025-26403?
CVE-2025-26403 is rated as critical due to the potential for privilege escalation by a local attacker.
2
How do I fix CVE-2025-26403?
To mitigate CVE-2025-26403, apply the latest security updates and patches provided by Intel for affected Xeon processors.
3
Who is affected by CVE-2025-26403?
CVE-2025-26403 affects some Intel Xeon 6 processors that utilize Intel SGX or Intel TDX technology.
4
What types of vulnerabilities does CVE-2025-26403 represent?
CVE-2025-26403 represents an out-of-bounds write vulnerability in the memory subsystem.
5
Can CVE-2025-26403 be exploited remotely?
CVE-2025-26403 requires local access, so it cannot be exploited remotely.