CVE-2026-88143
MEDIUM severity · CVSS 6.7 · CWE-122
6.7CVSS MEDIUM
Summary
Heap-based buffer overflow in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredHigh
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected products we track (4)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88143 ↗