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CVE-2023-21746— Windows NTLM Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Windows 10 Version 1809
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Windows是美国微软（Microsoft）公司的一套个人设备使用的操作系统。 Microsoft Windows NTLM存在安全漏洞。攻击者利用该漏洞可以提升权限。

CVSS 7.8 · High EPSS 2.54% · P84

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2023-21746

Vulnerability Information
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Vulnerability Title
Windows NTLM Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Windows NTLM Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows是美国微软（Microsoft）公司的一套个人设备使用的操作系统。 Microsoft Windows NTLM存在安全漏洞。攻击者利用该漏洞可以提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Windows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.3887 -
Microsoft Windows 10 Version 1809 10.0.0 ~ 10.0.17763.3887 -
Microsoft Windows Server 2019 10.0.17763.0 ~ 10.0.17763.3887 -
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.3887 -
Microsoft Windows Server 2022 10.0.20348.0 ~ 10.0.20348.1487 -
Microsoft Windows 10 Version 20H2 10.0.0 ~ 10.0.19042.2486 -
Microsoft Windows 11 version 21H2 10.0.0 ~ 10.0.22000.1455 -
Microsoft Windows 10 Version 21H2 10.0.19043.0 ~ 10.0.19044.2486 -
Microsoft Windows 11 version 22H2 10.0.22621.0 ~ 10.0.22621.1105 -
Microsoft Windows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.2486 -
Microsoft Windows 10 Version 1507 10.0.10240.0 ~ 10.0.10240.19685 -
Microsoft Windows 10 Version 1607 10.0.14393.0 ~ 10.0.14393.5648 -
Microsoft Windows Server 2016 10.0.14393.0 ~ 10.0.14393.5648 -
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.5648 -
Microsoft Windows 7 6.1.0 ~ 6.1.7601.26321 -
Microsoft Windows 7 Service Pack 1 6.1.0 ~ 6.1.7601.26321 -
Microsoft Windows 8.1 6.3.0 ~ 6.3.9600.20778 -
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 ~ 6.1.7601.26321 -
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 ~ 6.1.7601.26321 -
Microsoft Windows Server 2012 6.2.9200.0 ~ 6.2.9200.24075 -
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.24075 -
Microsoft Windows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.20778 -
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.20778 -

II. Public POCs for CVE-2023-21746

# POC Description Source Link Shenlong Link
1 None https://github.com/Muhammad-Ali007/LocalPotato_CVE-2023-21746 POC Details
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III. Intelligence Information for CVE-2023-21746

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Same Patch Batch · Microsoft · 2023-01-10 · 98 CVEs total

CVE-2023-21732 8.8 HIGH Microsoft ODBC Driver Remote Code Execution Vulnerability
CVE-2023-21681 8.8 HIGH Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability
CVE-2023-21676 8.8 HIGH Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
CVE-2023-21674 8.8 HIGH Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
CVE-2023-21742 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2023-21549 8.8 HIGH Windows SMB Witness Service Elevation of Privilege Vulnerability
CVE-2023-21744 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2023-21679 8.1 HIGH Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability
CVE-2023-21555 8.1 HIGH Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability
CVE-2023-21556 8.1 HIGH Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability
CVE-2023-21546 8.1 HIGH Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability
CVE-2023-21543 8.1 HIGH Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability
CVE-2023-21535 8.1 HIGH Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability
CVE-2023-21548 8.1 HIGH Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability
CVE-2023-21745 8.0 HIGH Microsoft Exchange Server Spoofing Vulnerability
CVE-2023-21762 8.0 HIGH Microsoft Exchange Server Spoofing Vulnerability
CVE-2023-21678 7.8 HIGH Windows Print Spooler Elevation of Privilege Vulnerability
CVE-2023-21738 7.8 HIGH Microsoft Office Visio Remote Code Execution Vulnerability
CVE-2023-21734 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2023-21748 7.8 HIGH Windows Kernel Elevation of Privilege Vulnerability

Showing top 20 of 98 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1809
Same vendor: Microsoft

V. Comments for CVE-2023-21746

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