CVE-2026-9805
Low
Description
SMM IHISI command handler, FMTSWriteUseIntelLib, for FMTS command 0x32, read and write data without checking buffer size and could cause buffer overflow.
SeverityLow
CVSS2.7
Exploit probability—
ProductInsydeH2O
PublishedAug 26, 2026
First seenAug 26, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Insyde Software InsydeH2O | See in the Solution | — |
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