CVE-2018-8276: microsoft chakracore
CVSS: 6.5v3.0MediumModified
AliasesGHSA-wg47-6cqc-q52j
Published 11-07-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-8276 is a medium (CVSS 6.5) vulnerability in microsoft chakracore. EPSS estimates a 5.77% chance of exploitation in the next 30 days, higher than 93% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.0 (NVD)EPSS score
5.77%
0%100%
Low · +0.16 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-07-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A security feature bypass vulnerability exists in the Microsoft Chakra scripting engine that allows Control Flow Guard (CFG) to be bypassed, aka "Scripting Engine Security Feature Bypass Vulnerability." This affects Microsoft Edge, ChakraCore.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NSourcesAll 2 agree
- OSV · NugetEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
5.77%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
+0.16 pp
From 5.61% on 20-09-2026
20-09-202620-10-2026
EPSS score5.77%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Microsoft3 products
- chakracoreChakraCore
- 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< 1.10.1
2 vendors · 4 products
References
8 links- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8276X Refsource CONFIRMPatchVendor AdvisoryWEB