Vulnerability · Published Dec 12, 2025 · Assigned by Insyde
CVE-2025-10451H19Int15CallbackSmm: SMM memory corruption vulnerability in combined DXE/SMM (SMRAM write)
High 8.2
In plain English
A high-severity out-of-bounds write in InsydeH2O from Insyde Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.1%top 96.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Unchecked output buffer may allowed arbitrary code execution in SMM and potentially result in SMM memory corruption.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Insyde Software | InsydeH2O | HP feature version before 20C1 |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H