CVE-2017-11871
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.98%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 7.98% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- microsoft/chakracore · microsoft/edge
- Source
- secure@microsoft.com
References
- http://www.securityfocus.com/bid/101730Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039780Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11871Patch, Vendor Advisory
- http://www.securityfocus.com/bid/101730Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039780Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11871Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.