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CVE-2017-11871

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 8.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-11-15 · updated 2026-06-17
• Weakness: CWE-119

Description

ChakraCore and Microsoft Edge in Windows 10 1703, 1709, and Windows Server, version 1709 allows an attacker to gain the same user rights as the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11836, CVE-2017-11837, CVE-2017-11838, CVE-2017-11839, CVE-2017-11840, CVE-2017-11841, CVE-2017-11843, CVE-2017-11846, CVE-2017-11858, CVE-2017-11859, CVE-2017-11861, CVE-2017-11862, CVE-2017-11866, CVE-2017-11869, CVE-2017-11870, and CVE-2017-11873.

Affected products

• Microsoft ChakraCore: all versions
• Microsoft Edge: all versions
• Microsoft Edge: Windows 10 1703, 1709, and Windows Server, version 1709.

References

• http://www.securityfocus.com/bid/101730
• http://www.securitytracker.com/id/1039780
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11871
• http://www.securityfocus.com/bid/101730
• http://www.securitytracker.com/id/1039780
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11871

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