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ExploitedIn CISA KEVFix available

CVE-2018-8298

Exploitation confirmed. First attested on 2022-03-03 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2018-07-11
  • Fixed in1.10.1
  • WeaknessCWE-843

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2018-07-1100:29CVE publishedNVD
  2. 2018-08-17Exploit-DB entryExploit-DB
  3. 2022-03-03Added to the CISA KEV catalogCISA KEV
  4. 2022-03-03Listed as exploited by GCVEGCVE
  5. 2022-03-03Exploitation first reportedCISA KEV
  6. 2025-02-0716:26SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-8298?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-8298?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Microsoft chakracore
BranchAffectedFixed in
1.10< 1.10.11.10.1

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As microsoft, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Microsoft ChakraCore
    Affected
    • = ChakraCoreno fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2018-08-19

Fix

  1. Update Microsoft chakracore to 1.10.1
  2. CISA’s required action: Apply updates per vendor instructions.due 2022-03-17

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-45217
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2022-03-03
Patch Due Date
2022-03-17
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2018-07-11
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-wgw2-wwq8-c7wf

Frequently asked questions

What is CVE-2018-8298?

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.

Is CVE-2018-8298 actively exploited?

Yes. CVE-2018-8298 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-03-17.

What is the CVSS score for CVE-2018-8298?

CVE-2018-8298 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

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