VULNERABILITY INTELLIGENCE

CVE-2017-8658

CVSS score9.8 CRITICAL

EPSS probability20.07%

CISA KEVNot currently listed

Published2017-08-11

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability".

Weakness classification

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

Primary references

secure@microsoft.com — Third Party Advisory, VDB Entry
secure@microsoft.com — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory