Risk Scores
CVSS v3.1
7.400000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Windows 10 Version 1809 for x64-based Systems <10.0.17763.4645 | ||
| Windows 10 Version 1809 for 32-bit Systems <10.0.17763.4645 | ||
| Windows 10 Version 1809 for ARM64-based Systems 10.0.17763.4645 | ||
| Windows Server 2022 <10.0.20348.1850 | ||
| Windows 10 Version 1809 for ARM64-based Systems <10.0.17763.4645 | ||
| Windows Server 2019 (Server Core installation) <10.0.17763.4645 | ||
| Windows Server 2019 (Server Core installation) 10.0.17763.4645 | ||
| Windows Server 2022 (Server Core installation) <10.0.20348.1850 | ||
| Windows 11 version 21H2 for ARM64-based Systems 10.0.22000.2176 | ||
| Windows 11 version 21H2 for ARM64-based Systems <10.0.22000.2176 | ||
| Windows Server 2022 (Server Core installation) 10.0.20348.1850 | ||
| Windows Server 2019 10.0.17763.4645 | ||
| Windows 11 version 21H2 for x64-based Systems <10.0.22000.2176 | ||
| Windows 10 Version 1809 for x64-based Systems 10.0.17763.4645 | ||
| Windows 10 Version 1809 for 32-bit Systems 10.0.17763.4645 | ||
| Windows Server 2022 10.0.20348.1850 | ||
| Windows 11 version 21H2 for x64-based Systems 10.0.22000.2176 | ||
| Windows Server 2019 <10.0.17763.4645 | ||
| Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.3208 | ||
| Windows 10 Version 21H2 for 32-bit Systems <10.0.19044.3208 |
Timeline
- Jul 11, 2023 CVE Published
- Apr 20, 2026 Security Advisory
- Apr 20, 2026 Security Advisory
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21526 advisory
- https://msrc.microsoft.com/csaf/2023/msrc_cve-2023-21526.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/5028168 fix
- https://support.microsoft.com/help/5028171 fix
- https://support.microsoft.com/help/5028182 fix
- https://support.microsoft.com/help/5028166 fix
- https://support.microsoft.com/help/5028185 fix
- https://support.microsoft.com/help/5028186 fix
- https://support.microsoft.com/help/5028169 fix
- https://support.microsoft.com/help/5028222 fix
- https://support.microsoft.com/help/5028226 fix
- https://support.microsoft.com/help/5028240 fix
- https://support.microsoft.com/help/5028224 fix
- https://support.microsoft.com/help/5028232 fix
- https://support.microsoft.com/help/5028233 fix
- https://support.microsoft.com/help/5028228 fix
- https://support.microsoft.com/help/5028223 fix