CVE-2018-8227: microsoft chakracore Out-of-bounds Write
CVSS: 7.6v2.0HighModified
AliasesGHSA-gqh4-4r89-pr95
Published 14-06-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-8227 is a high (CVSS 7.6) Out-of-bounds Write vulnerability in microsoft chakracore. EPSS estimates a 16.64% chance of exploitation in the next 30 days, higher than 96.9% of scored vulnerabilities.
CVSS score
7.6/10
010
High · v2.0 (NVD)EPSS score
16.64%
0%100%
Medium · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-06-2018PublishedVulnerability 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 Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-8229.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 2 agree
- OSV · NugetEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
High 7.6Preferred score · NVD (NIST)
AV:N/AC:H/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
16.64%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
0.00 pp
From 16.64% on 19-09-2026
19-09-202619-10-2026
EPSS score16.64%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft3 products
- chakracoreChakraCore | ≤ 1.8.4
- edgena
- microsoft edgeWindows 10 Version 1703 for 32-bit Systems | Windows 10 Version 1703 for x64-based Systems | Windows 10 Version 1709 for 32-bit Systems | Windows 10 Version 1709 for x64-based Systems | Windows 10 Version 1803 for 32-bit Systems | Windows 10 Version 1803 for x64-based Systems
NuGet1 product
- Microsoft.ChakraCore< 1.8.5
2 vendors · 4 products
References
8 links- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8227X Refsource CONFIRMPatchVendor AdvisoryWEB