CVE-2018-0840

high-risk
Published 2018-02-15

Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, and Internet Explorer and Microsoft Edge in Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows remote code execution, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0834, CVE-2018-0835, CVE-2018-0836, CVE-2018-0837, CVE-2018-0838, CVE-2018-0856, CVE-2018-0857, CVE-2018-0858, CVE-2018-0859, CVE-2018-0860, CVE-2018-0861, and CVE-2018-0866.

Do I need to act?

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79.7% 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
44077
?
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 (10)

Third Party Advisory http://www.securityfocus.com/bid/102886
Third Party Advisory http://www.securitytracker.com/id/1040369
Third Party Advisory http://www.securitytracker.com/id/1040372
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0840
Exploit https://www.exploit-db.com/exploits/44077/
Third Party Advisory http://www.securityfocus.com/bid/102886
Third Party Advisory http://www.securitytracker.com/id/1040369
Third Party Advisory http://www.securitytracker.com/id/1040372
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0840
Exploit https://www.exploit-db.com/exploits/44077/
58
/ 100
high-risk
Severity 22/34 · High
Exploitability 27/34 · High
Exposure 9/34 · Low