CVE-2025-10451
H19Int15CallbackSmm: SMM memory corruption vulnerability in combined DXE/SMM (SMRAM write)
Unchecked output buffer may allowed arbitrary code execution in SMM and potentially result in SMM memory corruption.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
H19Int15CallbackSmm: SMM memory corruption vulnerability in combined DXE/SMM (SMRAM write)
Unchecked output buffer may allowed arbitrary code execution in SMM and potentially result in SMM memory corruption.
- Record
CVE-2025-10451- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2025-202936
Unchecked output buffer may allowed arbitrary code execution in SMM and potentially result in SMM memory corruption.
- Record
EUVD-2025-202936- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-2x38-j7v9-v23r
Unchecked output buffer may allowed arbitrary code execution in SMM and potentially result in SMM...
Unchecked output buffer may allowed arbitrary code execution in SMM and potentially result in SMM memory corruption.
- Record
GHSA-2x38-j7v9-v23r- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
NVD
Unchecked output buffer may allowed arbitrary code execution in SMM and potentially result in SMM memory corruption.
- Record
CVE-2025-10451- CVSS 3.1
- 8.2 High
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
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-2025-10451 is a high vulnerability (CVSS 8.2) in Insyde Software Insydeh2o, published December 12, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. No source names a fixed version.