CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
76.5%
In standard DLL files provided by Windows 7, there are some DLL files read from the same directory where the program resides when executing the program (CWE-427).
Microsoft states that the root cause of this vulnerability is “Application Directory (App Dir) DLL planting”, thus there is no plan to release any security updates for Windows 7 to address this issue.
For details, refer to “Application Directory (App Dir) DLL planting” released by Microsoft.
If a specially crafted DLL file is located in the same directory as executable file, arbitrary code may be executed.
Upgrade to Windows 10
Upgrade to the latest Windows 10 from Windows 7 according to the information provided by the developer.
Apply Workaround
Applying the following workarounds may mitigate the impacts of this vulnerability.
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
76.5%