CVE-2026-32149

CWE-20 — Improper Input ValidationCWE-122 — Heap-based Buffer OverflowCWE-1913 documents3 sources
Severity
7.3HIGH
EPSS
No EPSS data
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
16
Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2+13 more
Timeline
PublishedApr 14

Description

Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:HExploitability: 1.3 | Impact: 5.9

Affected Packages16 packages

▶CVEListV5microsoft/windows_server_201610.0.14393.0 — 10.0.14393.9060
▶CVEListV5microsoft/windows_server_201910.0.17763.0 — 10.0.17763.8644
▶CVEListV5microsoft/windows_server_202210.0.20348.0 — 10.0.20348.5020
▶CVEListV5microsoft/windows_server_202510.0.26100.0 — 10.0.26100.32690
▶CVEListV5microsoft/windows_10_version_160710.0.14393.0 — 10.0.14393.9060

🔴Vulnerability Details

2
VulDB
Microsoft Windows up to Server 2025 Hyper-V input validation↗2026-04-14
▶
CVEList
Windows Hyper-V Remote Code Execution Vulnerability↗2026-04-14
▶
CVE-2026-32149 (HIGH CVSS 7.3) | Improper input validation in Window | cvebase.io