9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.923 High
EPSS
Percentile
98.9%
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Office. User interaction is required in that a user must browse to a malicious website. The specific flaws exists in the instantiation of three specific ActiveX controls. The combination of loading all three controls in a particular order results in a transfer of control to unallocated memory which can be leveraged by remote attackers to execute arbitrary code under the context of the currently logged in user.