Vulnerability in Microsoft Chakracore

CVE-2018-0818

Microsoft ChakraCore allows an attacker to bypass Control Flow Guard (CFG) in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka "Scripting Engine Security Feature Bypass".

EPSS: 0.037 (88.5th percentile) — read the EPSS interpretation.

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.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-0818?
CVE-2018-0818 is a high-severity vulnerability in Microsoft Chakracore. CVSS score: 7.5/10. Published 2018-01-10.
How severe is CVE-2018-0818?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-0818 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.