peter bassill · operator
$ cve CVE-2017-8658 JSON

CVE-2017-8658

9.8
CRITICAL · CVSS 3.0 · EPSS 20.1% (pctl 97)

Patch early

EPSS 20.1% — above the 10% action threshold.

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".

Scoring

CVSS9.8 (CRITICAL, v3.0)
VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS20.07% — more likely to be exploited than 97% of all CVEs
WeaknessCWE-119
On CISA KEVno
Public exploitnone known
Published2017-08-11
Last modified2026-06-17

Affected (1)

VendorProduct
microsoftchakracore

References

→ the Explorer  ·  watch your stack  ·  NVD