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Vulnerability details: VCID-gu4y-gk9v-dbep
Vulnerability ID VCID-gu4y-gk9v-dbep
Aliases CVE-2020-0833
GHSA-86gw-g9jv-8vfg
Summary Out-of-bounds Write A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-0768, CVE-2020-0823, CVE-2020-0825, CVE-2020-0826, CVE-2020-0827, CVE-2020-0828, CVE-2020-0829, CVE-2020-0830, CVE-2020-0831, CVE-2020-0832, CVE-2020-0848.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-787 Out-of-bounds Write
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.03253 https://api.first.org/data/v1/epss?cve=CVE-2020-0833
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-86gw-g9jv-8vfg
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-0833
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2020-0833
cvssv3.1 7.5 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0833
generic_textual HIGH https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0833
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-0833
CVE-2020-0833 https://nvd.nist.gov/vuln/detail/CVE-2020-0833
CVE-2020-0833 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0833
GHSA-86gw-g9jv-8vfg https://github.com/advisories/GHSA-86gw-g9jv-8vfg
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-0833
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
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0833
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
Exploit Prediction Scoring System (EPSS)
Percentile 0.87353
EPSS Score 0.03253
Published At May 30, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-30T20:55:25.408447+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/Microsoft.ChakraCore/CVE-2020-0833.yml 38.6.0