What’s Vulnerable › Vulnerabilities

CVE-2017-8503

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-08-08 · updated 2026-06-17

Description

Microsoft Edge in Microsoft Windows 10 1511, 1607, 1703, and Windows Server 2016 allows an attacker to escape from the AppContainer sandbox, aka "Microsoft Edge Elevation of Privilege Vulnerability". This CVE ID is unique from CVE-2017-8642.

Affected products

• Microsoft Edge: all versions
• Microsoft Edge: Microsoft Windows 10 1511, 1607, and 1703, and Windows Server 2016.

References

• http://www.securityfocus.com/bid/99395
• http://www.securitytracker.com/id/1039101
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8503
• http://www.securityfocus.com/bid/99395
• http://www.securitytracker.com/id/1039101
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8503

Get alerted when CVE-2017-8503 or the next vulnerability affects your stack