8.8
Élevée
CVE-2026-21255 Improper access control in Windows Hyper-V allows an authorized attacker to bypass a security feature locally
Description
Improper access control in Windows Hyper-V allows an authorized attacker to bypass a security feature locally.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Windows 11 version 26H1 10.0 | 10.0.28000.0 → < 10.0.28000.1575 | 10.0.28000.1575 |
| Windows 10 Version 1809 10.0 | 10.0.17763.0 → < 10.0.17763.8389 | 10.0.17763.8389 |
| Windows Server 2019 10.0 | 10.0.17763.0 → < 10.0.17763.8389 | 10.0.17763.8389 |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.17763.0 → < 10.0.17763.8389 | 10.0.17763.8389 |
| Windows Server 2022 10.0 | 10.0.20348.0 → < 10.0.20348.4773 | 10.0.20348.4773 |
| Windows 10 Version 21H2 10.0 | 10.0.19044.0 → < 10.0.19044.6937 | 10.0.19044.6937 |
| Windows 10 Version 22H2 10.0 | 10.0.19045.0 → < 10.0.19045.6937 | 10.0.19045.6937 |
| Windows Server 2025 (Server Core installation) 10.0 | 10.0.26100.0 → < 10.0.26100.32370 | 10.0.26100.32370 |
| Windows 11 Version 25H2 10.0 | 10.0.26200.0 → < 10.0.26200.7840 | 10.0.26200.7840 |
Afficher les 8 autres branches Masquer les 8 autres branches
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Windows 11 version 22H3 10.0 | 10.0.22631.0 → < 10.0.22631.6649 | 10.0.22631.6649 |
| Windows 11 Version 23H2 10.0 | 10.0.22631.0 → < 10.0.22631.6649 | 10.0.22631.6649 |
| Windows Server 2022, 23H2 Edition (Server Core installation) 10.0 | 10.0.25398.0 → < 10.0.25398.2149 | 10.0.25398.2149 |
| Windows 11 Version 24H2 10.0 | 10.0.26100.0 → < 10.0.26100.7840 | 10.0.26100.7840 |
| Windows Server 2025 10.0 | 10.0.26100.0 → < 10.0.26100.32370 | 10.0.26100.32370 |
| Windows 10 Version 1607 10.0 | 10.0.14393.0 → < 10.0.14393.8868 | 10.0.14393.8868 |
| Windows Server 2016 10.0 | 10.0.14393.0 → < 10.0.14393.8868 | 10.0.14393.8868 |
| Windows Server 2016 (Server Core installation) 10.0 | 10.0.14393.0 → < 10.0.14393.8868 | 10.0.14393.8868 |
Références
- Windows Hyper-V Security Feature Bypass Vulnerability msrc.microsoft.com
Chronologie
- Publiée
- Dernière modification
Autres CVE de Windows 11 version 26H1
Les 2573 CVE de Windows 11 version 26H1 →
CVE-2026-105016
Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network
9.8
Critique
CVE-2026-108135
Improper link resolution before file access ('link following') in Windows Backup Engine allows an authorized attacker to…
7.0
Élevée
CVE-2026-108463
Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to bypass a security…
8.8
Élevée
CVE-2026-108136
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally
7.8
Élevée