CVE-2018-0818
CVE-2018-0818 is a high-severity vulnerability in Microsoft Chakracore with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 8.5
- EPSS exploit prediction: 4% (88th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Chakracore
- Published:
- Last modified:
Description
Microsoft ChakraCore allows an attacker to bypass Control Flow Guard (CFG) in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka "Scripting Engine Security Feature Bypass".
Frequently asked questions
- What is CVE-2018-0818?
- Microsoft ChakraCore allows an attacker to bypass Control Flow Guard (CFG) in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka "Scripting Engine Security Feature Bypass".
- How severe is CVE-2018-0818?
- CVE-2018-0818 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-0818 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-0818?
- CVE-2018-0818 affects Microsoft Chakracore. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-0818?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-0818 published?
- CVE-2018-0818 was published on 2018-01-10 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/102412
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0818
Affected products (1)
- cpe:2.3:a:microsoft:chakracore:-:*:*:*:*:*:*:*
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