CVE-2018-8384: microsoft chakracore Type Confusion
Vulnerability summary
CVE-2018-8384 is a high (CVSS 7.6) Type Confusion vulnerability in microsoft chakracore. EPSS estimates a 64.11% chance of exploitation in the next 30 days, higher than 99.2% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 15-08-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka "Chakra Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8266, CVE-2018-8380, CVE-2018-8381.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · NugetEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
64.11%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
+8.09 pp
From 56.02% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundMicrosoft Edge Chakra - 'PathTypeHandlerBase::SetAttributesHelper' Type Confusion
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Microsoft1 product
- chakracoreChakraCore | na
NuGet1 product
- Microsoft.ChakraCore< 1.10.2
2 vendors · 2 products
References
9 links
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8384X Refsource CONFIRMPatchVendor AdvisoryWEB