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CVE-2018-0891

4.3 · MEDIUM

ChakraCore, and Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, and Internet Explorer and Microsoft Edge in…

Published Mar 14, 2018CWE-401EPSS 14.19%

Overview

CVE-2018-0891 is a medium-severity vulnerability. It was published on March 14, 2018 and has a CVSS 3.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

ChakraCore, and Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 and 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 allow information disclosure, due to how the scripting engine handles objects in memory, aka "Scripting Engine Information Disclosure Vulnerability". This CVE ID is unique from CVE-2018-0939.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/103309Refwww.securitytracker.com/id/1040507Refportal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0891Refwww.exploit-db.com/exploits/44312/Refwww.securityfocus.com/bid/103309Refwww.securitytracker.com/id/1040507Refportal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0891Refwww.exploit-db.com/exploits/44312/

How CyberStrike helps

Frequently asked questions

What is CVE-2018-0891?

CVE-2018-0891 is a medium-severity vulnerability. It was published on March 14, 2018 and has a CVSS 3.0 base score of 4.3 (MEDIUM).

How severe is CVE-2018-0891?

This vulnerability has a CVSS 3.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-0891?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-0891?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-0891 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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