PT-2019-1122 · Microsoft · Windows Server 2012+11

James Forshaw · Published 2019-01-08 · Updated 2026-05-30 · CVE-2019-0543

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Windows 7 Windows Server 2012 R2 Windows RT 8.1 Windows Server 2008 Windows Server 2019 Windows Server 2012 Windows 8.1 Windows Server 2016 Windows Server 2008 R2 Windows 10 Windows 10 Servers

Description: An elevation of privilege issue exists due to improper handling of authentication requests by Windows. This could allow an attacker to escalate their privileges using a specially crafted application.

Recommendations: For Windows 7, apply the relevant patch to fix the issue. For Windows Server 2012 R2, apply the relevant patch to fix the issue. For Windows RT 8.1, apply the relevant patch to fix the issue. For Windows Server 2008, apply the relevant patch to fix the issue. For Windows Server 2019, apply the relevant patch to fix the issue. For Windows Server 2012, apply the relevant patch to fix the issue. For Windows 8.1, apply the relevant patch to fix the issue. For Windows Server 2016, apply the relevant patch to fix the issue. For Windows Server 2008 R2, apply the relevant patch to fix the issue. For Windows 10, apply the relevant patch to fix the issue. For Windows 10 Servers, apply the relevant patch to fix the issue.

Exploit

Fix

LPE

Improper Privilege Management

Improper Authentication

Weakness Enumeration

CWE-269

CWE-287

Related Identifiers

BDU:2019-00148

CVE-2019-0543

Affected Products

Windows

Windows 10

Windows 10 Servers

Windows 7

Windows 8.1

Windows Rt 8.1

Windows Server 2008

Windows Server 2008 R2

Windows Server 2012

Windows Server 2012 R2

Windows Server 2016

Windows Server 2019

References · 15

• 🔥 https://exploit-db.com/exploits/46156 · Exploit
• 🔥 https://0day.today/exploit/31970 · Exploit
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0543 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2019-0543 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-00148 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-0543 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0543 · Security Note
• https://osv.dev/vulnerability/CVE-2019-0543 · Vendor Advisory
• https://reddit.com/r/cybersecurity/comments/1trvw2f/panos_added_to_kev_langflow_exploit_activity_and · Reddit Post
• http://securityfocus.com/bid/106408 · Note
• https://cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv · Note
• https://t.me/cvenotify/109879 · Telegram Post
• https://cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0543 · Note
• https://cisa.gov/known-exploited-vulnerabilities-catalog · Note
• https://t.me/cveNotify/140812 · Telegram Post