CVE-2023-21746
Windows NTLM Elevation of Privilege Vulnerability
Vexday Risk Score
63High priority
SSVC decision (CISA)
Act
Exploitation + impact → act immediately
Exploit maturity
Proof of concept
Public proof of concept exists, but not yet automated.
CVSS 7.8EPSS 2.5%KEV nãoPoC públicaNuclei —Metasploit —Patch referenciado
Lifecycle
04 Jan 2023Public PoC
10 Jan 2023Published on NVD
Recommendation: Patch as soon as possible — active exploitation confirmed.
Windows NTLM Elevation of Privilege Vulnerability
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Windows 10 Version 1507Microsoft · Windows 10 Version 1607Microsoft · Windows 10 Version 1809Microsoft · Windows 10 Version 20H2Microsoft · Windows 10 Version 21H2Microsoft · Windows 10 Version 22H2Microsoft · Windows 11 version 21H2Microsoft · Windows 11 version 22H2Microsoft · Windows 7Microsoft · Windows 7 Service Pack 1Microsoft · Windows 8.1Microsoft · Windows Server 2008 R2 Service Pack 1Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft · Windows Server 2012Microsoft · Windows Server 2012 R2Microsoft · Windows Server 2012 R2 (Server Core installation)Microsoft · Windows Server 2012 (Server Core installation)Microsoft · Windows Server 2016Microsoft · Windows Server 2016 (Server Core installation)Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server 2022public PoCs found — 3
vulncheckvulncheck.com/xdb/08eae8850638unverifiedvulncheckvulncheck.com/xdb/489fdf7e9b86unverifiedvulncheckvulncheck.com/xdb/2b9ab53ecc2dunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.