Risk Scores
CVSS v3.1
7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Windows 10 Version 1809 for x64-based Systems <10.0.17763.8644 | ||
| Windows 11 Version 26H1 for ARM64-based Systems 10.0.28000.1836 | ||
| Windows 10 Version 1809 for 32-bit Systems 10.0.17763.8644 | ||
| Windows Server 2022 10.0.20348.5020 | ||
| Windows Server 2019 (Server Core installation) 10.0.17763.8644 | ||
| Windows 10 Version 1809 for 32-bit Systems <10.0.17763.8644 | ||
| Windows Server 2019 (Server Core installation) <10.0.17763.8644 | ||
| Windows Server 2022 (Server Core installation) 10.0.20348.5020 | ||
| Windows Server 2019 <10.0.17763.8644 | ||
| Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.7184 | ||
| Windows 10 Version 1809 for x64-based Systems 10.0.17763.8644 | ||
| Windows Server 2019 10.0.17763.8644 | ||
| Windows 10 Version 21H2 for ARM64-based Systems <10.0.19044.7184 | ||
| Windows 11 version 26H1 for x64-based Systems 10.0.28000.1836 | ||
| Windows 10 Version 21H2 for 32-bit Systems <10.0.19044.7184 | ||
| Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.7184 | ||
| Windows 11 Version 26H1 for ARM64-based Systems <10.0.28000.1836 | ||
| Windows Server 2022 (Server Core installation) <10.0.20348.5020 | ||
| Windows 11 version 26H1 for x64-based Systems <10.0.28000.1836 | ||
| Windows Server 2022 <10.0.20348.5020 |
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-2026-33100 advisory
- https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-33100.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/5083768 fix
- https://support.microsoft.com/help/5082123 fix
- 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/5082198 fix
- https://support.microsoft.com/help/5082127 fix
- https://support.microsoft.com/help/5082126 fix