9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
0.212 Low
EPSS
Percentile
96.4%
A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects in memory, aka “Scripting Engine Memory Corruption Vulnerability”.
github.com/chakra-core/ChakraCore
github.com/chakra-core/ChakraCore/commit/2500e1cdc12cb35af73d5c8c9b85656aba6bab4d
github.com/chakra-core/ChakraCore/pull/3509
nvd.nist.gov/vuln/detail/CVE-2017-8658
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8658
web.archive.org/web/20210124090857/www.securityfocus.com/bid/100036
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
0.212 Low
EPSS
Percentile
96.4%