Out-of-bounds Read in Microsoft Chakracore
CVE-2018-8139
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Microsoft Edge, aka "Scripting Engine Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore. This CVE ID is…
Vulnerability class: Buffer Overflow
EPSS: 0.666 (99.2th 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
- Microsoft Edge
- Microsoft Edge — versions Windows 10 Version 1803 for 32-bit Systems, Windows 10 Version 1803 for x64-based Systems
- Microsoft Windows_10 — versions 1803
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secure@microsoft.com (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- secure@microsoft.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
Frequently asked questions
- What is CVE-2018-8139?
- CVE-2018-8139 is a high-severity vulnerability in Microsoft Chakracore, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2018-05-09.
- How severe is CVE-2018-8139?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-8139 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.