7.6

CVE-2018-8177: microsoft chakracore Out-of-bounds Write

CVSS: 7.6v2.0HighModified
AliasesGHSA-7cc5-cqmx-9v7g
Published 09-05-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-8177 is a high (CVSS 7.6) Out-of-bounds Write vulnerability in microsoft chakracore. EPSS estimates a 11.44% chance of exploitation in the next 30 days, higher than 95.9% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.6/10
010
High · v2.0 (NVD)
EPSS score
11.44%
0%100%
Medium · -0.21 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-05-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last 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-2018-0943, CVE-2018-8130, CVE-2018-8133, CVE-2018-8145.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

11.44%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

-0.21 pp

From 11.66% on 20-09-2026

20-09-202620-10-2026
EPSS score
11.44%

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

Microsoft2 products
NuGet1 product
  • Microsoft.ChakraCore< 1.8.4

2 vendors · 3 products

References

6 links