What is CVE-2018-8243?

CVE-2018-8243 is a high-severity vulnerability in Microsoft Chakracore, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2018-06-14.

How severe is CVE-2018-8243?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Microsoft Chakracore

CVE-2018-8243

A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8267.

Vulnerability class: Buffer Overflow

EPSS: 0.112 (95.5th 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

Microsoft Chakracore — versions ChakraCore

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

secure@microsoft.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2018-8243?: CVE-2018-8243 is a high-severity vulnerability in Microsoft Chakracore, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2018-06-14.
How severe is CVE-2018-8243?: High severity. CVSS v3 base score is 7.5 out of 10.