CVE-2018-0803

Severity: medium (CVSS 4.2 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-01-04 · updated 2026-06-17
Weakness: CWE-863

Description

Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to access information from one domain and inject it into another domain, due to how Microsoft Edge enforces cross-domain policies, aka "Microsoft Edge Elevation of Privilege Vulnerability".

Affected products

Microsoft Edge: all versions

References

http://www.securityfocus.com/bid/102384
http://www.securitytracker.com/id/1040100
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0803
http://www.securityfocus.com/bid/102384
http://www.securitytracker.com/id/1040100
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0803

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