Security readout for executives and security teams
CVE-2018-8139 is a Microsoft Edge and ChakraCore scripting engine memory corruption issue that could allow remote code execution. The source bundle identifies affected Windows 10 Version 1803 Edge deployments and ChakraCore, but does not provide CVSS, CWE, or a named fix. Exposure is most likely on legacy Windows 10 Version 1803 systems using Microsoft Edge, and on applications or products embedding ChakraCore. Modern or updated environments may not be exposed, but the bundle does not prove remediation status. Treat this as a legacy browser-engine RCE risk requiring inventory confirmation and vendor-guided remediation. It is urgent if affected Edge or ChakraCore systems still exist, but the bundle does not show current active exploitation. Mitigation focus: Review Microsoft MSRC advisory CVE-2018-8139 for official remediation guidance.; Inventory Windows 10 Version 1803 32-bit and x64 systems using Microsoft Edge.; Identify products or applications that include ChakraCore..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-8139 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- 45012CVE reference · exploit, x_refsource_EXPLOIT-DB
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8139CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.