Improper Initialization in 4th Generation Intel Xeon Scalable Processors and 5th Generation Intel Xeon Scalable processors - CVE-2025-35991
Published: May 15, 2026
Vulnerability identifier: #VU131562
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2025-35991
CWE-ID: CWE-665
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Intel
Affected software:
4th Generation Intel Xeon Scalable Processors
5th Generation Intel Xeon Scalable processors
4th Generation Intel Xeon Scalable Processors
5th Generation Intel Xeon Scalable processors
Detailed vulnerability description
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.
How to mitigate CVE-2025-35991
Install updates from vendor's website.