Risk Scores
CVSS v3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.21915 | ||
| Windows 10 Version 1809 for 32-bit Systems 10.0.17763.4010 | ||
| Windows 10 Version 20H2 for 32-bit Systems <10.0.19042.2604 | ||
| Windows 10 Version 21H2 for 32-bit Systems <10.0.19044.2604 | ||
| Windows 10 Version 22H2 for 32-bit Systems <10.0.19045.2604 | ||
| Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.2604 | ||
| Windows 10 Version 20H2 for 32-bit Systems 10.0.19042.2604 | ||
| Windows 10 Version 1607 for 32-bit Systems <10.0.14393.5717 | ||
| Windows 10 for 32-bit Systems <10.0.10240.19747 | ||
| Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.21915 | ||
| Windows 10 for 32-bit Systems 10.0.10240.19747 | ||
| Windows 10 Version 22H2 for 32-bit Systems 10.0.19045.2604 | ||
| Windows 10 Version 1809 for 32-bit Systems <10.0.17763.4010 | ||
| Windows Server 2008 for 32-bit Systems Service Pack 2 <6.0.6003.21915 | ||
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) <6.0.6003.21915 | ||
| Windows 10 Version 1607 for 32-bit Systems 10.0.14393.5717 |
Timeline
- Feb 14, 2023 CVE Published
- Apr 21, 2026 Security Advisory
- Apr 21, 2026 Security Advisory
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21803 advisory
- https://msrc.microsoft.com/csaf/2023/msrc_cve-2023-21803.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/5022840 fix
- https://support.microsoft.com/help/5022834 fix
- https://support.microsoft.com/help/5022858 fix
- https://support.microsoft.com/help/5022838 fix
- https://support.microsoft.com/help/5022890 fix
- https://support.microsoft.com/help/5022893 fix