Risk Scores
CVSS v3.1
7.800000190734863
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Windows 10 Version 21H2 for ARM64-based Systems <10.0.19044.7184 | ||
| Windows 10 Version 22H2 for ARM64-based Systems <10.0.19045.7184 | ||
| Windows 10 Version 22H2 for x64-based Systems <10.0.19045.7184 | ||
| Windows 10 Version 21H2 for 32-bit Systems <10.0.19044.7184 | ||
| Windows 10 Version 22H2 for ARM64-based Systems 10.0.19045.7184 | ||
| Windows 10 Version 22H2 for 32-bit Systems 10.0.19045.7184 | ||
| Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.7184 | ||
| Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.7184 | ||
| Windows Server 2025 (Server Core installation) 10.0.26100.32690 | ||
| Windows Server 2022 10.0.20348.5020 | ||
| Windows Server 2022 (Server Core installation) <10.0.20348.5020 | ||
| Windows 10 Version 21H2 for x64-based Systems 10.0.19044.7184 | ||
| Windows 10 Version 22H2 for 32-bit Systems <10.0.19045.7184 | ||
| Windows 10 Version 22H2 for x64-based Systems 10.0.19045.7184 | ||
| Windows Server 2022 <10.0.20348.5020 | ||
| Windows 11 Version 25H2 for ARM systems <10.0.26200.8246 | ||
| Windows 10 Version 21H2 for x64-based Systems <10.0.19044.7184 | ||
| Windows Server 2022 (Server Core installation) 10.0.20348.5020 | ||
| Windows Server 2025 (Server Core installation) <10.0.26100.32690 | ||
| Windows 11 Version 25H2 for ARM systems 10.0.26200.8246 |
Timeline
- Apr 14, 2026 CVE Published
- Apr 15, 2026 Security Advisory
- Apr 15, 2026 Security Advisory
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26172 advisory
- https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-26172.json advisory
- https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1 url
- https://support.microsoft.com/lifecycle url
- https://www.first.org/cvss url
- https://support.microsoft.com/help/5082142 fix
- https://support.microsoft.com/help/5082200 fix
- https://support.microsoft.com/help/5082063 fix
- https://support.microsoft.com/help/5083769 fix
- https://support.microsoft.com/help/5082052 fix
- https://support.microsoft.com/help/5082060 fix
- https://support.microsoft.com/help/5083768 fix