9.3

CVE-2018-0858: microsoft corporation chakracore Out-of-bounds Write

CVSS: 9.3v2.0HighModified
AliasesGHSA-7gjv-9m33-chg8
Published 15-02-2018Last modified 16-09-2024

Vulnerability summary

CVE-2018-0858 is a high (CVSS 9.3) Out-of-bounds Write vulnerability in microsoft corporation chakracore. EPSS estimates a 14.83% chance of exploitation in the next 30 days, higher than 96.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
14.83%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-02-2018
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

ChakraCore allows remote code execution, due to how the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0834, CVE-2018-0835, CVE-2018-0836, CVE-2018-0837, CVE-2018-0838, CVE-2018-0840, CVE-2018-0856, CVE-2018-0857, CVE-2018-0859, CVE-2018-0860, CVE-2018-0861, and CVE-2018-0866.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

14.83%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

0.00 pp

From 14.83% on 19-09-2026

19-09-202619-10-2026
EPSS score
14.83%

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

Affected systems

Microsoft1 product
Microsoft corporation1 product
NuGet1 product
  • Microsoft.ChakraCore< 1.8.1

3 vendors · 3 products

References

8 links