Buffer overflow in Microsoft Chakracore

CVE-2018-1023

A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory, aka "Microsoft Browser Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.149 (96.6th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-1023: held from 0.152 to 0.149.

EPSS over last 30 days · oldest: 0.152 · newest: 0.149 · change: -0.003

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-1023?
CVE-2018-1023 is a high-severity vulnerability in Microsoft Chakracore, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2018-04-12.
How severe is CVE-2018-1023?
High severity. CVSS v3 base score is 7.5 out of 10.