CVE-2026-40402 Windows Hyper-V Elevation of Privilege Vulnerability
| Reporter | Title | Published | Views | Family All 21 |
|---|---|---|---|---|
 | CVE-2026-40402 | 12 May 202616:59 | – | attackerkb |
 | Hyper-V Privilege Escalation | 15 May 202600:00 | – | bdu_fstec |
 | CVE-2026-40402 | 12 May 202615:52 | – | circl |
 | Microsoft Hyper-V Resource Management Vulnerability | 12 May 202600:00 | – | cnnvd |
 | CVE-2026-40402 | 12 May 202616:59 | – | cve |
 | EUVD-2026-29663 | 12 May 202618:30 | – | euvd |
 | May 12, 2026—KB5087420 (OS Build 22631.7079) | 12 May 202614:00 | – | mskb |
| May 12, 2026—Hotpatch KB5087424 (OS Build 20348.5074) | 12 May 202614:00 | – | mskb |
| May 12, 2026—KB5087545 (OS Build 20348.5139) | 12 May 202614:00 | – | mskb |
 | KLA91040 Multiple vulnerabilities in Microsoft Windows | 12 May 202600:00 | – | kaspersky |
10
[
{
"vendor": "Microsoft",
"product": "Windows 11 version 23H2",
"platforms": [
"ARM64-based Systems"
],
"versions": [
{
"version": "10.0.22631.0",
"lessThan": "10.0.22631.7079",
"versionType": "custom",
"status": "affected"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows 11 Version 23H2",
"platforms": [
"x64-based Systems"
],
"versions": [
{
"version": "10.0.22631.0",
"lessThan": "10.0.22631.7219",
"versionType": "custom",
"status": "affected"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2022",
"platforms": [
"x64-based Systems"
],
"versions": [
{
"version": "10.0.20348.0",
"lessThan": "10.0.20348.5139",
"versionType": "custom",
"status": "affected"
}
]
}
]Data
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10 Aug 2026 15:13Current
CVSS 3.19.3
EPSS0.00364
SSVC