Risk Scores
CVSS v3.1
7.800000190734863
CVSS:3.1/AV:L/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 11 Version 25H2 for x64-based Systems <10.0.26200.7462 | ||
| Windows 11 Version 25H2 for ARM64-based Systems 10.0.26200.7462 | ||
| Windows 10 Version 1809 for 32-bit Systems 10.0.17763.8146 | ||
| Windows Server 2019 (Server Core installation) <10.0.17763.8146 | ||
| Windows 10 Version 21H2 for ARM64-based Systems <10.0.19044.6691 | ||
| Windows 10 Version 1809 for x64-based Systems <10.0.17763.8146 | ||
| Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.6691 | ||
| Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.6691 | ||
| Windows Server 2019 10.0.17763.8146 | ||
| Windows 10 Version 1809 for 32-bit Systems <10.0.17763.8146 | ||
| Windows 11 Version 25H2 for ARM64-based Systems <10.0.26200.7462 | ||
| Windows Server 2022 (Server Core installation) <10.0.20348.4529 | ||
| Windows 10 Version 1809 for x64-based Systems 10.0.17763.8146 | ||
| Windows 11 Version 25H2 for x64-based Systems 10.0.26200.7462 | ||
| Windows Server 2019 (Server Core installation) 10.0.17763.8146 | ||
| Windows Server 2022 (Server Core installation) 10.0.20348.4529 | ||
| Windows Server 2022 <10.0.20348.4529 | ||
| Windows 10 Version 21H2 for 32-bit Systems <10.0.19044.6691 | ||
| Windows Server 2019 <10.0.17763.8146 | ||
| Windows Server 2022 10.0.20348.4529 |
Timeline
- Dec 9, 2025 CVE Published
- Mar 31, 2026 Security Advisory
- Mar 31, 2026 Security Advisory
References
- https://www.first.org/cvss url
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55233 advisory
- https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-55233.json advisory
- https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1 url
- https://support.microsoft.com/lifecycle url
- https://support.microsoft.com/help/5072033 fix
- https://support.microsoft.com/help/5072014 fix
- https://support.microsoft.com/help/5071544 fix
- https://support.microsoft.com/help/5071547 fix
- https://support.microsoft.com/help/5071413 fix
- https://support.microsoft.com/help/5071546 fix
- https://support.microsoft.com/help/5071417 fix
- https://support.microsoft.com/help/5071542 fix