HIGH · 8.1

CVE-2019-0734

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 atta...

Vulnerability 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.

CVSS Score

8.1

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftWindows 10-
MicrosoftWindows 7-
MicrosoftWindows 8.1-
MicrosoftWindows Rt 8.1-
MicrosoftWindows Server 2008-
MicrosoftWindows Server 2012-
MicrosoftWindows Server 2016-
MicrosoftWindows Server 2019All versions

References

FAQ

What is CVE-2019-0734?

CVE-2019-0734 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 atta...

How severe is CVE-2019-0734?

CVE-2019-0734 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-0734?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008.