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
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
97.4%
Windows MSHTML Platform Remote Code Execution Vulnerability
Recent assessments:
NinjaOperator at June 16, 2021 10:56pm UTC reported:
Windows MSHTML Platform (Microsoft proprietary browser engine) enables RCE and is being actively exploited in limited campaigns.
ο§ Exploitation requires user interaction; thus, feasible threat scenarios include drive-by download, exploit kits, and phishing links.
ο§ A commercial exploit company reportedly provided the exploit code to Eastern European and Middle Eastern state-sponsored actors
gwillcox-r7 at June 17, 2021 5:25pm UTC reported:
Windows MSHTML Platform (Microsoft proprietary browser engine) enables RCE and is being actively exploited in limited campaigns.
ο§ Exploitation requires user interaction; thus, feasible threat scenarios include drive-by download, exploit kits, and phishing links.
ο§ A commercial exploit company reportedly provided the exploit code to Eastern European and Middle Eastern state-sponsored actors
Assessed Attacker Value: 0
Assessed Attacker Value: 0Assessed Attacker Value: 0
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
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
97.4%