Critical severity · published Nov 12, 2024
CVE-2024-43639
Windows KDC Proxy Remote Code Execution Vulnerability
9.8
CVSS
8.9%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.9% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WS
Windows Server 2012 · Microsoft
r2 · source: NVD
WS
Windows Server 2016 · Microsoft
before 10.0.14393.7515 · source: NVD
WS
Windows Server 2019 · Microsoft
before 10.0.17763.6532 · source: NVD
WS
Windows Server 2022 · Microsoft
before 10.0.20348.2849 · source: NVD
WS
Windows Server 2022 23h2 · Microsoft
before 10.0.25398.1251 · source: NVD
WS
Windows Server 2025 · Microsoft
before 10.0.26100.2314 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-43639
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-43639
Patch
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43639
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