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CVE-2018-0891

MediumPublished

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,...

Published: Mar 14, 2018
Updated: Sep 16, 2024
Assigning CNA: microsoft
Evidence observed: Mar 20, 2018

Primary CVSS

4.3/ 10Medium

nvd · CVSS 3.0

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS probability estimate

14.9%

Moderate · next 30 days

Percentile: 96.6%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

Internet Explorer - 'RegExp.lastMatch' Memory DisclosureExploit
Google Security Research · windows · Mar 20, 2018

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