CVE-2025-26403

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.2 HIGH
LOCAL
HIGH
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
intelCNA
7.2 HIGH
LOCAL
HIGH
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
CISA-ADPADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Debian logo
Debian Releases
Debian Product
Codename
intel-microcode
bullseye/non-free
vulnerable
bullseye/non-free (security)
vulnerable
bookworm/non-free-firmware
vulnerable
bookworm/non-free-firmware (security)
vulnerable
forky/non-free-firmware
vulnerable
sid/non-free-firmware
vulnerable
trixie/non-free-firmware
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
intel-microcode
plucky
needs-triage
noble
needs-triage
jammy
needs-triage
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
needs-triage
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01367.html