High severity · published May 16, 2019
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…
8.1
CVSS
4.2%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.2% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WI
Windows · Microsoft
1607; 1703; 1709; 1803; 1809; 1903 · source: NVD
W7
Windows 7 · Microsoft
All versions, or not specified · source: NVD
W8
Windows 8.1 · Microsoft
All versions, or not specified · source: NVD
WR
Windows RT 8.1 · Microsoft
All versions, or not specified · source: NVD
WS
Windows Server 2008 · Microsoft
r2; r2 · source: NVD
WS
Windows Server 2012 · Microsoft
r2 · source: NVD
WS
Windows Server 2016 · Microsoft
1803; 1903 · source: NVD
WS
Windows Server 2019 · Microsoft
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-0734
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-0734
Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0734
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