CVE-2018-8298

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.747 · 100 %ileexploit · functionalEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 1 exploit · functional

Likely / severe?

74.7% (100th) EPSS

CVSS 7.6 · high

Is it mine?

4 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2022-03-03remediate by 2022-03-17

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

ChakraCore Scripting Engine Type Confusion Vulnerability

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

Technical severity, 0–10. One row per scoring source.

7.6

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.6highAV:N/AC:H/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 4.9 · impact 10

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.6 · impact 5.9

v3.07.5highCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Hsecondary · OSV

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.5highAV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondaryexploitability 1.6 · impact 5.9

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-843USprimaryCWE-119USCWE-843US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-45217Microsoft Edge Chakra JIT - InitializeNumberFormat and InitializeDateTimeFormat Type Confusionfunctional · exploit_db

affected products (4)

Products and version ranges known to be affected.

Microsoft ChakraCore≤ ChakraCoreenisa_euvdEU
Microsoft Corp ChakraCore≤ С 1.2.0 до 1.10.1fstec_bduRU
microsoft chakracore< 1.10.1nvdUScpe:2.3:a:microsoft:chakracore:*:*:*:*:*:*:*:*
NuGet Microsoft.ChakraCore< 1.10.1osvUSpkg:nuget/Microsoft.ChakraCore

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-wgw2-wwq8-c7wfChakraCore RCE Vulnerability2022-05-13ghsa · osvUS
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.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd osv NVD CVE.org MITRE

published 2018-07-11modified 2026-06-17

related (1,197)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-85046US	—OT critical	1.81% (78th)	KEV	2026-09-03
Type confusion in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security seve…
CVE-2026-21519US	—OT critical	2.48% (84th)	KEV	2026-02-10
Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
CVE-2025-13223US	—OT critical	4.90% (92nd)	KEV	2025-11-17
Type Confusion in V8 in Google Chrome prior to 142.0.7444.175 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity:…
CVE-2025-10585US	critical9.8OT critical	8.97% (95th)	KEV	2025-09-24
Type confusion in V8 in Google Chrome prior to 140.0.7339.185 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity:…
CVE-2025-6554US	—OT critical	14.1% (97th)	KEV	2025-06-30
Type confusion in V8 in Google Chrome prior to 138.0.7204.96 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: High)

+1192 more

references (10)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan