What is CVE-2018-8500?

CVE-2018-8500 is a critical-severity vulnerability in Microsoft Chakracore, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2018-10-10.

How severe is CVE-2018-8500?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Microsoft Chakracore

CVE-2018-8500

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.

Vulnerability class: Buffer Overflow

EPSS: 0.185 (96.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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 (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
secure@microsoft.com (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2018-8500?: CVE-2018-8500 is a critical-severity vulnerability in Microsoft Chakracore, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2018-10-10.
How severe is CVE-2018-8500?: Critical severity. CVSS v3 base score is 9.8 out of 10.