VDB
msrc_CVE-2025-21203
msrc_CVE-2025-21203
PUBLISHED
CVSS 6.5 MEDIUM
Risk Scores
CVSS v3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Windows Server 2025 (Server Core installation) <10.0.26100.3775 | ||
| Windows Server 2022, 23H2 Edition (Server Core installation) <10.0.25398.1551 | ||
| Windows Server 2008 for 32-bit Systems Service Pack 2 <6.0.6003.23220 | ||
| Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1551 | ||
| Windows Server 2019 (Server Core installation) <10.0.17763.7136 | ||
| Windows Server 2022 10.0.20348.3453 | ||
| Windows Server 2019 10.0.17763.7136 | ||
| Windows Server 2022 (Server Core installation) <10.0.20348.3453 | ||
| Windows Server 2025 10.0.26100.3775 | ||
| Windows Server 2019 <10.0.17763.7136 | ||
| Windows Server 2016 <10.0.14393.7969 | ||
| Windows Server 2016 10.0.14393.7969 | ||
| Windows Server 2022 (Server Core installation) 10.0.20348.3453 | ||
| Windows Server 2025 (Server Core installation) 10.0.26100.3775 | ||
| Windows Server 2025 <10.0.26100.3775 | ||
| Windows Server 2016 (Server Core installation) 10.0.14393.7969 | ||
| Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.23220 | ||
| Windows Server 2022 <10.0.20348.3453 | ||
| Windows Server 2019 (Server Core installation) 10.0.17763.7136 | ||
| Windows Server 2016 (Server Core installation) <10.0.14393.7969 |
Timeline
- Apr 8, 2025 CVE Published
- Apr 1, 2026 Security Advisory
- Apr 1, 2026 Security Advisory
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21203 advisory
- https://msrc.microsoft.com/csaf/advisories/2025/msrc_cve-2025-21203.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/5055519 fix
- https://support.microsoft.com/help/5055526 fix
- https://support.microsoft.com/help/5055523 fix
- https://support.microsoft.com/help/5055527 fix
- https://support.microsoft.com/help/5055521 fix
- https://support.microsoft.com/help/5055609 fix
- https://support.microsoft.com/help/5055596 fix
- https://support.microsoft.com/help/5055561 fix
- https://support.microsoft.com/help/5055570 fix
- https://support.microsoft.com/help/5055581 fix
- https://support.microsoft.com/help/5055557 fix