CVE-2026-66332AMI AptioV >= AptioV_5.0 and < AptioV_5.045 Out-of-bounds Read
NVD
Vulnerability Summary
AMI APTIOV contains a vulnerability in BIOS
where a privileged
user may cause the “Out-of-Bound Read” by local
access. Successful exploitation of this vulnerability may lead to a denial of
service during firmware update processing, such as a crash or failed update if
the out-of-bounds read hits unmapped memory. It could also potentially impact Confidentiality and Availability.
where a privileged
user may cause the “Out-of-Bound Read” by local
access. Successful exploitation of this vulnerability may lead to a denial of
service during firmware update processing, such as a crash or failed update if
the out-of-bounds read hits unmapped memory. It could also potentially impact Confidentiality and Availability.
CVSS v4.0 Base Metrics — Score 4.6 (MEDIUM)
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:NAttack VectorLocal
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredHigh
User InteractionNone
Confidentiality (Vulnerable System)Low
Integrity (Vulnerable System)None
Availability (Vulnerable System)Low
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
Affected & Patched Versions
- AMI AptioV >= AptioV_5.0 and < AptioV_5.045
- AMI AptioV AptioV_5.045
What to do
Fix it during your normal patch cycle. No exploitation is confirmed yet.
- Check whether you run AMI AptioV >= AptioV_5.0 and < AptioV_5.045 and which version.
- Update to a patched version listed above, then confirm the new version.
Timeline
- Nov 10, 2026Published
- Nov 10, 2026Record last modified
Score, severity and exploitation changes are tracked from the day Watchtower started logging them.
Get notified about new AMI AptioV >= AptioV_5.0 and < AptioV_5.045 CVEsYou are reading CVE-2026-66332. Get an email when KEV listings, exploits or new CVEs match your stack.
Set up CVE alertsExternal References
Data last checked: Nov 14, 2026 02:13 UTC