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High severity8.1NVD Advisory· Published May 16, 2019· Updated Jun 17, 2026

CVE-2019-0734

CVE-2019-0734

Description

An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator.The update addresses this vulnerability by changing how these requests are validated., aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-0936.

Affected products

7
  • Microsoft/Windowsllm-fuzzy2 versions
    (expand)+ 1 more
    • (no CPE)
    • (no CPE)range: 7 for 32-bit Systems Service Pack 1
  • Microsoft/Windows 10 Version 1903 for 32-bit Systemsv5
    Range: unspecified
  • Microsoft/Windows 10 Version 1903 for ARM64-based Systemsv5
    Range: unspecified
  • Microsoft/Windows 10 Version 1903 for x64-based Systemsv5
    Range: unspecified
  • Microsoft/Windows Server 2003cpe-rescue
    Range: 2008 R2 for x64-based Systems Service Pack 1 (Core installation)
  • Microsoft/Windows Server, version 1903 (Server Core installation)v5
    Range: unspecified

Patches

Vulnerability mechanics

References

1

News mentions

0

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