VulnerabilityAnalyzed
CVE-2018-8298
ChakraCore Scripting Engine Type Confusion Vulnerability
KEVHIGH 7.5EPSS 74.8%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 17 March 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8242, CVE-2018-8283, CVE-2018-8287, CVE-2018-8288, CVE-2018-8291, CVE-2018-8296.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 74.79% probability · 99th percentile
- CISA KEV
- Listed 3 March 2022 · due 17 March 2022
- Weakness
- CWE-843
- Affected
- microsoft/chakracore
- Source
- secure@microsoft.com
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2018-8298
References
- http://www.securityfocus.com/bid/104639Broken Link, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8298Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/45217/Exploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/104639Broken Link, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8298Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/45217/Exploit, Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8298US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.