CVE-2026-45641

HIGH

Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.

CVSS v3.1 Score

8.4
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 6/9/2026Modified: 6/11/2026

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References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45641Vendor Advisory