CVE-2026-42915
MEDIUM severity · CVSS 5.5 · CWE-131
5.5CVSS MEDIUM
Summary
Incorrect calculation of buffer size in Windows VMSwitch allows an authorized attacker to deny service over an adjacent network.
Impact & exploitability
Attack vectorAdjacent
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.