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CVE-2017-11916

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-12-12 · updated 2026-06-17
• Weakness: CWE-119

Description

ChakraCore allows an attacker to execute arbitrary code in the context of the current user, due to how the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11886, CVE-2017-11889, CVE-2017-11890, CVE-2017-11893, CVE-2017-11894, CVE-2017-11895, CVE-2017-11901, CVE-2017-11903, CVE-2017-11905, CVE-2017-11905, CVE-2017-11907, CVE-2017-11908, CVE-2017-11909, CVE-2017-11910, CVE-2017-11911, CVE-2017-11912, CVE-2017-11913, CVE-2017-11914, CVE-2017-11918, and CVE-2017-11930.

Affected products

• Microsoft ChakraCore: before 1.7.5 — fixed in 1.7.5
• Microsoft ChakraCore: ChakraCore

How to fix

Upgrade to a fixed version: Microsoft ChakraCore 1.7.5. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/102090
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11916
• http://www.securityfocus.com/bid/102090
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11916

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