CVE-2026-50485

Buffer over-read in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network.

Base score4.5/ 10

SeverityMediumCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityMedium

Attack vectorAdjacentAV

Attack complexityLowAC

Privileges requiredHighPR

User interactionNoneUI

ScopeUnchangedS

Confidentiality impactNoneC

Integrity impactNoneI

Availability impactHighA

Exploit maturityUnprovenE

CVSS vector stringCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering Authoritymicrosoft

Last updatedNov 1, 2026 17:35:25 UTC

PublishedJul 14, 2026 17:07:50 UTC

ReservedJun 4, 2026 18:59:53 UTC