High 7.5Known exploited (CISA KEV)Published Jul 11, 2018

CVE-2018-8298A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore.

Updated under an hour ago (2026-10-19 07:50 UTC)

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It affects Microsoft ChakraCore. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Mar 3, 2022; federal agencies had to remediate by Mar 17, 2022. Treat that date as your deadline.

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Every CVE for Microsoft ChakraCore

Exploited in the last 30 days

A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8242, CVE-2018-8283, CVE-2018-8287, CVE-2018-8288, CVE-2018-8291, CVE-2018-8296.

CVSS: 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-843
Known exploited: Added to CISA KEV Mar 3, 2022; federal remediation due Mar 17, 2022Apply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 74.69% (percentile 100)
Assigned by: microsoft
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Microsoft ChakraCore microsoft:chakracore (from the name)	ChakraCore	CNA record
microsoft chakracore microsoft:chakracore	before 1.10.1	NVD

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8298x-refsource-confirm, patch, vendor-advisory
http://www.securityfocus.com/bid/104639vdb-entry, x-refsource-bid, broken-link, third-party-advisory
https://www.exploit-db.com/exploits/45217/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8298us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.