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CVE-2019-1019— Microsoft Windows Security Feature Bypass Vulnerability

Quick assessment

Affected

Microsoft Windows 10 Version 1703

Exploitation

High exploitation probability; assess promptly

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中存在信息泄露漏洞。攻击者可借助特制的身份验证请求利用该漏洞绕过安全限制。以下产品及版本受到影响：Microsoft Windows 10，Windows 10版本1607，Windows 10版本1703，Windows 10版本1709，Windows 10版本1803，Windows 10版本1809，Windows 10版本1903，Windows 7 SP1，W

CVSS 8.5 · High EPSS 15.12% · P97 Updated Feb 21, 2026

Public Exploits 1

ExploitDB · 1 EDB-47115 [local]

Possible ATT&CK Techniques 2 AI

T1557.003 · DHCP Spoofing T1557.002 · ARP Cache Poisoning

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I. Basic Information for CVE-2019-1019

Vulnerability Information

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Vulnerability Title

Microsoft Windows Security Feature Bypass Vulnerability

Source: CVE Program / CVE List V5

Vulnerability Description

A security feature bypass vulnerability exists where a NETLOGON message is able to obtain the session key and sign messages. To exploit this vulnerability, an attacker could send a specially crafted authentication request. An attacker who successfully exploited this vulnerability could access another machine using the original user privileges. The issue has been addressed by changing how NTLM validates network authentication messages.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/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 信息泄露漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

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
Microsoft	Windows 10 Version 1703	10.0.0 ~ publication	-
Microsoft	Windows 10 Version 1803	10.0.0 ~ publication	-
Microsoft	Windows Server, version 1803 (Server Core Installation)	10.0.0 ~ publication	-
Microsoft	Windows 10 Version 1809	10.0.17763.0 ~ publication	-
Microsoft	Windows 10 Version 1809	10.0.0 ~ publication	-
Microsoft	Windows Server 2019	10.0.17763.0 ~ publication	-
Microsoft	Windows Server 2019 (Server Core installation)	10.0.17763.0 ~ publication	-
Microsoft	Windows 10 Version 1709 for 32-bit Systems	10.0.0 ~ publication	-
Microsoft	Windows 10 Version 1709	10.0.0 ~ publication	-
Microsoft	Windows 10 Version 1903 for 32-bit Systems	10.0.0 ~ publication	-
Microsoft	Windows 10 Version 1903 for x64-based Systems	10.0.0 ~ publication	-
Microsoft	Windows 10 Version 1903 for ARM64-based Systems	10.0.0 ~ publication	-
Microsoft	Windows Server, version 1903 (Server Core installation)	10.0.0 ~ publication	-
Microsoft	Windows 10 Version 1507	10.0.10240.0 ~ publication	-
Microsoft	Windows 10 Version 1607	10.0.14393.0 ~ publication	-
Microsoft	Windows Server 2016	10.0.14393.0 ~ publication	-
Microsoft	Windows Server 2016 (Server Core installation)	10.0.14393.0 ~ publication	-
Microsoft	Windows 7	6.1.0 ~ publication	-
Microsoft	Windows 7 Service Pack 1	6.1.0 ~ publication	-
Microsoft	Windows 8.1	6.3.0 ~ publication	-
Microsoft	Windows Server 2008 Service Pack 2	6.0.6003.0 ~ publication	-
Microsoft	Windows Server 2008 Service Pack 2 (Server Core installation)	6.0.6003.0 ~ publication	-
Microsoft	Windows Server 2008 Service Pack 2	6.0.0 ~ publication	-
Microsoft	Windows Server 2008 Service Pack 2	6.0.6003.0 ~ publication	-
Microsoft	Windows Server 2008 R2 Systems Service Pack 1	6.1.0 ~ publication	-
Microsoft	Windows Server 2008 R2 Service Pack 1	6.1.7601.0 ~ publication	-
Microsoft	Windows Server 2008 R2 Service Pack 1 (Server Core installation)	6.1.7601.0 ~ publication	-
Microsoft	Windows Server 2012	6.2.9200.0 ~ publication	-
Microsoft	Windows Server 2012 (Server Core installation)	6.2.9200.0 ~ publication	-
Microsoft	Windows Server 2012 R2	6.3.9600.0 ~ publication	-

II. Public POCs for CVE-2019-1019

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2019-1019

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Vendor Advisories for CVE-2019-1019 (1)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1019 x_refsource_MISC

Exploits & Public PoCs for CVE-2019-1019 (1)

http://packetstormsecurity.com/files/153639/Microsoft-Windows-HTTP-To-SMB-NTLM-Reflection-Privilege-Escalation.html x_refsource_MISC

https://www.cve.org/CVERecord?id=CVE-2019-1019

Same Patch Batch · Microsoft · 2019-06-12 · 88 CVEs total

CVE-2019-0888	8.8 HIGH	ActiveX Data Objects (ADO) Remote Code Execution Vulnerability
CVE-2019-0722	8.8 HIGH	Windows Hyper-V Remote Code Execution Vulnerability
CVE-2019-1027	7.8 HIGH	Windows Audio Service Elevation of Privilege Vulnerability
CVE-2019-1065	7.8 HIGH	Windows Kernel Elevation of Privilege Vulnerability
CVE-2019-1064	7.8 HIGH	Windows Elevation of Privilege Vulnerability
CVE-2019-0983	7.8 HIGH	Windows Storage Service Elevation of Privilege Vulnerability
CVE-2019-1007	7.8 HIGH	Windows Audio Service Elevation of Privilege Vulnerability
CVE-2019-0985	7.8 HIGH	Microsoft Speech API Remote Code Execution Vulnerability
CVE-2019-0998	7.8 HIGH	Windows Storage Service Elevation of Privilege Vulnerability
CVE-2019-1026	7.8 HIGH	Windows Audio Service Elevation of Privilege Vulnerability
CVE-2019-1021	7.8 HIGH	Windows Audio Service Elevation of Privilege Vulnerability
CVE-2019-1028	7.8 HIGH	Windows Audio Service Elevation of Privilege Vulnerability
CVE-2019-0904	7.8 HIGH	Jet Database Engine Remote Code Execution Vulnerability
CVE-2019-0974	7.8 HIGH	Jet Database Engine Remote Code Execution Vulnerability
CVE-2019-0973	7.8 HIGH	Windows Installer Elevation of Privilege Vulnerability
CVE-2019-0905	7.8 HIGH	Jet Database Engine Remote Code Execution Vulnerability
CVE-2019-0906	7.8 HIGH	Jet Database Engine Remote Code Execution Vulnerability
CVE-2019-0907	7.8 HIGH	Jet Database Engine Remote Code Execution Vulnerability
CVE-2019-0908	7.8 HIGH	Jet Database Engine Remote Code Execution Vulnerability
CVE-2019-1045	7.8 HIGH	Windows Network File System Elevation of Privilege Vulnerability

Showing top 20 of 88 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1703

Same vendor: Microsoft

V. Comments for CVE-2019-1019

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Goal Reached Thanks to every supporter — we hit 100%!

CVE-2019-1019— Microsoft Windows Security Feature Bypass Vulnerability

Quick assessment

Public Exploits 1

Possible ATT&CK Techniques 2 AI

I. Basic Information for CVE-2019-1019

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2019-1019

III. Intelligence Information for CVE-2019-1019

Vendor Advisories for CVE-2019-1019 (1)

Exploits & Public PoCs for CVE-2019-1019 (1)

Same Patch Batch · Microsoft · 2019-06-12 · 88 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2019-1019

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