SecuriTricks - CVE-2025-26403

Description

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.

Product(s) Impacted

Vendor	Product	Versions
Intel	Xeon Sgx Tdx	* * *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	intel	xeon	/	/	/	/	/	/	/	/
a	intel	sgx	/	/	/	/	/	/	/	/
a	intel	tdx	/	/	/	/	/	/	/	/

References

https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01367.html

CVSS Score

4.5 / 10

CVSS Data - 4.0

Attack Vector: LOCAL
Attack Complexity: HIGH
Attack Requirements: NONE
Privileges Required: HIGH
User Interaction: NONE
Scope:
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: NONE
Exploit Maturity: NOT_DEFINED

CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: Aug. 12, 2025, 5:15 p.m.
Last Modified: Aug. 13, 2025, 5:34 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

secure@intel.com

CVE-2025-26403