CVE-2018-8500
CVE-2018-8500 is a critical-severity vulnerability in Microsoft Chakracore with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 18% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 10.0
- EPSS exploit prediction: 18% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Microsoft Chakracore
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2018-8500?
- 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.
- How severe is CVE-2018-8500?
- CVE-2018-8500 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-8500 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-8500?
- CVE-2018-8500 affects Microsoft Chakracore. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-8500?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2018-8500 published?
- CVE-2018-8500 was published on 2018-10-10 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/105463
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8500
Affected products (1)
- cpe:2.3:a:microsoft:chakracore:-:*:*:*:*:*:*:*
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