CVE-2025-21096
Improper buffer restrictions in the firmware for some Intel(R) TDX may allow a privileged user to...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2025-21096- CVSS 4.0
- 2.0 Low
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 - CVSS 3.1
- 1.9 Low
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-119
- Updated
- 2026-11-02
EUVDEUVD-2025-24424
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.
- Record
EUVD-2025-24424- CVSS 4.0
- 2.0 Low
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-f9vg-w87m-3hqm
Improper buffer restrictions in the firmware for some Intel(R) TDX may allow a privileged user to...
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.
- Record
GHSA-f9vg-w87m-3hqm- CVSS 4.0
- 1.8 Low
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 - CVSS 3.1
- 1.9 Low
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-119
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-21096- CVSS 4.0
- 1.8 Low
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 - CVSS 3.1
- 1.9 Low
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-119
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-21096 is a low vulnerability (CVSS 2.0), published August 12, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. No source names a fixed version.