6.5

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.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.0 (NVD)
EPSS score
5.77%
0%100%
Low · +0.16 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-07-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last 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 versions

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 score
5.77%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No 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