VDB
MSRC_CVE-2026-33826
MSRC_CVE-2026-33826
PUBLISHED
CVSS 8 HIGH
Risk Scores
CVSS v3.1
8
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Windows Server 2019 10.0.17763.8644 | ||
| Windows Server 2016 <10.0.14393.9060 | ||
| Windows Server 2016 (Server Core installation) <10.0.14393.9060 | ||
| Windows Server 2022 10.0.20348.5020 | ||
| Windows Server 2022 (Server Core installation) <10.0.20348.5020 | ||
| Windows Server 2016 (Server Core installation) 10.0.14393.9060 | ||
| Windows Server 2019 (Server Core installation) 10.0.17763.8644 | ||
| Windows Server 2012 R2 <6.3.9600.23132 | ||
| Windows Server 2012 R2 6.3.9600.23132 | ||
| Windows Server 2025 <10.0.26100.32690 | ||
| Windows Server 2016 10.0.14393.9060 | ||
| Windows Server 2025 (Server Core installation) 10.0.26100.32690 | ||
| Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.2274 | ||
| Windows Server 2019 (Server Core installation) <10.0.17763.8644 | ||
| Windows Server 2025 10.0.26100.32690 | ||
| Windows Server 2022 (Server Core installation) 10.0.20348.5020 | ||
| Windows Server 2022 <10.0.20348.5020 | ||
| Windows Server 2025 (Server Core installation) <10.0.26100.32690 | ||
| Windows Server 2022, 23H2 Edition (Server Core installation) <10.0.25398.2274 | ||
| Windows Server 2019 <10.0.17763.8644 |
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-2026-33826 advisory
- https://msrc.microsoft.com/csaf/advisories/2026/msrc_cve-2026-33826.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/5082123 fix
- https://support.microsoft.com/help/5082142 fix
- https://support.microsoft.com/help/5082063 fix
- https://support.microsoft.com/help/5082060 fix
- https://support.microsoft.com/help/5082198 fix
- https://support.microsoft.com/help/5082126 fix