9.8
Critical
CVE-2024-43639 Windows KDC Proxy Remote Code Execution Vulnerability
Description
Windows KDC Proxy Remote Code Execution Vulnerability
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2025 10.0 | 10.0.26100.0 → < 10.0.26100.2314 | 10.0.26100.2314 |
| Windows Server 2025 (Server Core installation) 10.0 | 10.0.26100.0 → < 10.0.26100.2314 | 10.0.26100.2314 |
| Windows Server 2019 10.0 | 10.0.17763.0 → < 10.0.17763.6532 | 10.0.17763.6532 |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.17763.0 → < 10.0.17763.6532 | 10.0.17763.6532 |
| Windows Server 2022 10.0 | 10.0.20348.0 → < 10.0.20348.2849 | 10.0.20348.2849 |
| Windows Server 2022, 23H2 Edition (Server Core installation) 10.0 | 10.0.25398.0 → < 10.0.25398.1251 | 10.0.25398.1251 |
| Windows Server 2016 10.0 | 10.0.14393.0 → < 10.0.14393.7515 | 10.0.14393.7515 |
| Windows Server 2016 (Server Core installation) 10.0 | 10.0.14393.0 → < 10.0.14393.7515 | 10.0.14393.7515 |
| Windows Server 2012 6.2 | 6.2.9200.0 → < 6.2.9200.25165 | 6.2.9200.25165 |
Show the 3 other branches Hide the 3 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2012 (Server Core installation) 6.2 | 6.2.9200.0 → < 6.2.9200.25165 | 6.2.9200.25165 |
| Windows Server 2012 R2 6.3 | 6.3.9600.0 → < 6.3.9600.22267 | 6.3.9600.22267 |
| Windows Server 2012 R2 (Server Core installation) 6.3 | 6.3.9600.0 → < 6.3.9600.22267 | 6.3.9600.22267 |
References
- Windows KDC Proxy Remote Code Execution Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
Other CVEs of Windows Server 2025
The 3647 CVEs of Windows Server 2025 →
CVE-2026-105016
Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network
9.8
Critical
CVE-2026-108136
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally
7.8
High
CVE-2026-108130
Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to…
7.8
High
CVE-2026-108132
Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally
7.0
High