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| Vulnerability ID | VCID-c2rx-c4w9-d3fe |
| Aliases |
CVE-2020-0811
GHSA-pg99-mp4c-75g6 |
| Summary | Improper Restriction of Operations within the Bounds of a Memory Buffer A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge (HTML-based). |
| Status | Published |
| Exploitability | None |
| Weighted Severity | None |
| Risk | None |
| Affected and Fixed Packages | Package Details |
| System | Score | Found at |
|---|---|---|
| epss | 0.03426 | https://api.first.org/data/v1/epss?cve=CVE-2020-0811 |
| cvssv3.1 | 7.5 | https://github.com/chakra-core/ChakraCore |
| generic_textual | HIGH | https://github.com/chakra-core/ChakraCore |
| cvssv3.1 | 7.5 | https://github.com/chakra-core/ChakraCore/pull/6385 |
| generic_textual | HIGH | https://github.com/chakra-core/ChakraCore/pull/6385 |
| cvssv3.1 | 7.5 | https://github.com/chakra-core/ChakraCore/pull/6385/commits/7e2c36091928d3f3aa58c01e1ef48bf6da777d09 |
| generic_textual | HIGH | https://github.com/chakra-core/ChakraCore/pull/6385/commits/7e2c36091928d3f3aa58c01e1ef48bf6da777d09 |
| cvssv3.1 | 7.5 | https://nvd.nist.gov/vuln/detail/CVE-2020-0811 |
| generic_textual | HIGH | https://nvd.nist.gov/vuln/detail/CVE-2020-0811 |
| cvssv3.1 | 7.5 | https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0811 |
| generic_textual | HIGH | https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0811 |
| 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 | 0.87679 |
| EPSS Score | 0.03426 |
| Published At | June 4, 2026, 12:55 p.m. |
| Date | Actor | Action | Source | VulnerableCode Version |
|---|---|---|---|---|
| 2026-06-04T16:19:51.741779+00:00 | GitLab Importer | Import | https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/Microsoft.ChakraCore/CVE-2020-0811.yml | 38.6.0 |