CVE-2018-0818
ChakraCore RCE Vulnerability
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".
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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".
- Record
CVE-2018-0818- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 8.5 High
AV:N/AC:M/Au:S/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
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".
- Record
CVE-2018-0818- Updated
- 2026-11-02
EUVDEUVD-2022-3837 No score
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".
- Record
EUVD-2022-3837- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fv8m-p45w-gf38
ChakraCore RCE Vulnerability
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".
- Record
GHSA-fv8m-p45w-gf38- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-fv8m-p45w-gf38
ChakraCore RCE Vulnerability
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".
- Record
GHSA-fv8m-p45w-gf38- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
Microsoft.ChakraCoreNuGet |
before 1.8.0 | 1.8.0 |
Microsoft.ChakraCoreNuGet |
before 1.8.0, plus listed versions 1.2.01.2.11.2.21.2.31.2.6.62716-preview Show 22 moreShow less1.3.01.3.11.3.21.4.01.4.11.4.21.4.31.4.41.4.51.5.01.5.11.5.21.5.31.6.01.6.21.7.01.7.11.7.21.7.31.7.41.7.51.7.6 |
1.8.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-0818 is a high vulnerability (CVSS 7.5) in Microsoft Chakracore, published January 10, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.69%, the 89th percentile. Fixed in Microsoft.ChakraCore 1.8.0.
References
securityfocus.com/bid/102412
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0818
nvd.nist.gov/vuln/detail/CVE-2018-0818
github.com/chakra-core/ChakraCore/pull/4427
web.archive.org/web/20210124130147/http://www.securityfocus.com/bid/102412