Out-of-bounds read in Intel products - CVE-2025-27940
Published: February 17, 2026
Vulnerability identifier: #VU122985
CSH Severity: Low
CVSS v4: 5.6 [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]
CVE-ID: CVE-2025-27940
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition for some TDX Module. A local administrator can trigger an out-of-bounds read error and read contents of memory on the system.
Affected software
4th Generation Intel Xeon Scalable Processors
5th Generation Intel Xeon Scalable processors
Intel Xeon 6 processor with P-cores
Intel Xeon 6 SoC
Intel Xeon 6 processor with E-cores
5th Generation Intel Xeon Scalable processors
Intel Xeon 6 processor with P-cores
Intel Xeon 6 SoC
Intel Xeon 6 processor with E-cores
How to mitigate CVE-2025-27940
Install updates from vendor's website.