CVE-2026-9805
FMTSWriteUseIntelLib: FMTS SMM IHISI Buffer Overflow
02 Description
FMTSWriteUseIntelLib: FMTS SMM IHISI Buffer Overflow
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.13% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 2.1% of scored records. A rank, not a probability.
- NVD base score
- 2.7 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-08-31.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-08-26 01:00Z2 MO AGO
- Last updated
- 2026-08-26 15:29Z2 MO AGO
- Reserved
- 2026-05-28
- Assigning CNA
- Insyde
- Record state
- PUBLISHED
- Severity
- Low (CVSS 2.7)
- CNA CVSS vector
- CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.2
- Document digest
- f5331e73cb5e740fe378d052e0ed446bafcbd1c605073212ca3588559d3f072f
05 Affected products
06 References
- www.insyde.comhttps://www.insyde.com/security-pledge/sa-2026006/
07 Remediation
Intel Mobile platforms: WildCat Lake: Version 05.72.18.0010 Panther Lake: Version 05.72.17.0032 Lunar Lake: Version 05.62.29.0038 Aarow Lake-H/U: Version 05.56.23.0022 Aarow Lake-S/HX: Version 05.56.23.0037 Raptor Lake: Version Tag 05.47.24.0058 Twin Lake: Version Tag 05.44.45.0029 Intel Server/Embedded platforms: Mehlow/Mehlow-R(CFL-S): Trunk Tatlow (RKS): Trunk WhiskeyLake: Trunk CometLake-S: Trunk TigerLake UP3/H: Trunk AlderLake: Trunk Raptor Lake: Trunk Meteor Lake-U/H: Trunk Meteor Lake-PS: Trunk Arrow Lake-S: Trunk Arrow Lake-U/H: Trunk ElkhartLake: Trunk Alder Lake N: Trunk AmstonLake: Trunk TwinLake: Trunk