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| Vulnerability ID | VCID-ndt7-82ev-uuch |
| Aliases |
CVE-2018-8283
GHSA-ch84-pxpj-7hhm |
| Summary | Out-of-bounds Write 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-2018-8287, CVE-2018-8288, CVE-2018-8291, CVE-2018-8296, CVE-2018-8298. |
| Status | Published |
| Exploitability | None |
| Weighted Severity | None |
| Risk | None |
| Affected and Fixed Packages | Package Details |
| System | Score | Found at |
|---|---|---|
| epss | 0.19011 | https://api.first.org/data/v1/epss?cve=CVE-2018-8283 |
| cvssv3.1 | 7.5 | https://github.com/chakra-core/ChakraCore/commit/b2f092ea42744d569fd102e8dd85d5524269bdd0 |
| generic_textual | HIGH | https://github.com/chakra-core/ChakraCore/commit/b2f092ea42744d569fd102e8dd85d5524269bdd0 |
| cvssv3.1 | 7.5 | https://github.com/chakra-core/ChakraCore/pull/5444 |
| generic_textual | HIGH | https://github.com/chakra-core/ChakraCore/pull/5444 |
| cvssv3.1 | 7.5 | https://nvd.nist.gov/vuln/detail/CVE-2018-8283 |
| generic_textual | HIGH | https://nvd.nist.gov/vuln/detail/CVE-2018-8283 |
| cvssv3.1 | 7.5 | https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8283 |
| generic_textual | HIGH | https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8283 |
| cvssv3.1 | 7.5 | https://web.archive.org/web/20210125211350/http://www.securityfocus.com/bid/104633 |
| generic_textual | HIGH | https://web.archive.org/web/20210125211350/http://www.securityfocus.com/bid/104633 |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Percentile | 0.95444 |
| EPSS Score | 0.19011 |
| Published At | June 4, 2026, 12:55 p.m. |
| Date | Actor | Action | Source | VulnerableCode Version |
|---|---|---|---|---|
| 2026-06-02T04:38:00.114461+00:00 | GitLab Importer | Import | https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/Microsoft.ChakraCore/CVE-2018-8283.yml | 38.6.0 |