CVE-2025-21096

Name: CVE-2025-21096
Creator: NVD / NIST
Published: 2025-08-12T17:15:31.19+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.8/10EPSS 0.12%

Last modified Jun 17, 2026

CVE-2025-21096 is a low-severity vulnerability rated 1.8/10 on the CVSS scale. Improper buffer restrictions in the firmware for some Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.. EPSS estimates a 0.12% chance of exploitation in the next 30 days.

Description

Improper buffer restrictions in the firmware for some Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.

Metrics

CVSS 3.1

1.9/10

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N

CVSS 4.0

1.8/10

CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/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

EPSS Probability

0.12%

2.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

References

https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01312.html

Timeline

Published: Aug 12, 2025
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2025-21096?

Improper buffer restrictions in the firmware for some Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.

How severe is CVE-2025-21096?

CVE-2025-21096 has a CVSS score of 1.8/10 (LOW severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.

How do I fix CVE-2025-21096?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-21096?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST