CVE-2018-8355

high-risk
Published 2018-08-15

A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore, Internet Explorer 11, Microsoft Edge. This CVE ID is unique from CVE-2018-8353, CVE-2018-8359, CVE-2018-8371, CVE-2018-8372, CVE-2018-8373, CVE-2018-8385, CVE-2018-8389, CVE-2018-8390.

Do I need to act?

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79.6% chance of exploitation in next 30 days
EPSS score — higher than 20% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
45432
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / HIGH complexity

Affected Products (3)

Affected Vendors

Microsoft

References (8)

Third Party Advisory http://www.securityfocus.com/bid/104978
Third Party Advisory http://www.securitytracker.com/id/1041457
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8355
Exploit https://www.exploit-db.com/exploits/45432/
Third Party Advisory http://www.securityfocus.com/bid/104978
Third Party Advisory http://www.securitytracker.com/id/1041457
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8355
Exploit https://www.exploit-db.com/exploits/45432/
58
/ 100
high-risk
Severity 22/34 · High
Exploitability 27/34 · High
Exposure 9/34 · Low