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| Vulnerability ID | VCID-z1vc-213w-jffs |
| Aliases |
CVE-2019-1103
GHSA-vmf5-924f-25f2 |
| Summary | Out-of-bounds Write A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka 'Chakra Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-1062, CVE-2019-1092, CVE-2019-1106, CVE-2019-1107. |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 8.0 |
| Risk | 4.0 |
| Affected and Fixed Packages | Package Details |
| System | Score | Found at |
|---|---|---|
| epss | 0.04657 | https://api.first.org/data/v1/epss?cve=CVE-2019-1103 |
| cvssv3.1 | 7.5 | https://github.com/chakra-core/ChakraCore/commit/75162b7f2d8ac2b37d17564e9c979ba1bae707e8 |
| generic_textual | HIGH | https://github.com/chakra-core/ChakraCore/commit/75162b7f2d8ac2b37d17564e9c979ba1bae707e8 |
| cvssv3.1 | 7.5 | https://github.com/chakra-core/ChakraCore/commit/efab3101028045cbfa0cc21bd852f75bcc037dba |
| generic_textual | HIGH | https://github.com/chakra-core/ChakraCore/commit/efab3101028045cbfa0cc21bd852f75bcc037dba |
| cvssv3.1 | 7.5 | https://nvd.nist.gov/vuln/detail/CVE-2019-1103 |
| generic_textual | HIGH | https://nvd.nist.gov/vuln/detail/CVE-2019-1103 |
| cvssv3.1 | 7.5 | https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1103 |
| generic_textual | HIGH | https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1103 |
| 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 | 0.89497 |
| EPSS Score | 0.04657 |
| Published At | June 4, 2026, 12:55 p.m. |
| Date | Actor | Action | Source | VulnerableCode Version |
|---|---|---|---|---|
| 2026-06-04T16:19:29.867223+00:00 | GitLab Importer | Import | https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/Microsoft.ChakraCore/CVE-2019-1103.yml | 38.6.0 |