CVE-2020-0813
ChakraCore information disclosure vulnerability
An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user’s computer or data.To exploit the vulnerability, an attacker must know the memory address of where the object was created.The update addresses the vulnerability by changing the way certain functions handle objects in memory., aka 'Scripting Engine Information Disclosure Vulnerability'.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
7.5
An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user’s computer or data.To exploit the vulnerability, an attacker must know the memory address of where the object was created.The update addresses the vulnerability by changing the way certain functions handle objects in memory., aka 'Scripting Engine Information Disclosure Vulnerability'.
- Record
CVE-2020-0813- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user’s computer or data.To exploit the vulnerability, an attacker must know the memory address of where the object was created.The update addresses the vulnerability by changing the way certain functions handle objects in memory., aka 'Scripting Engine Information Disclosure Vulnerability'.
- Record
CVE-2020-0813- Updated
- 2026-11-02
EUVDEUVD-2022-5437 No score
An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user’s computer or data.To exploit the vulnerability, an attacker must know the memory address of where the object was created.The update addresses the vulnerability by changing the way certain functions handle objects in memory., aka 'Scripting Engine Information Disclosure Vulnerability'.
- Record
EUVD-2022-5437- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vvvh-5xrm-pxff
7.5
ChakraCore information disclosure vulnerability
An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user's computer or data. To exploit the vulnerability, an attacker must know the memory address of where the object was created.The update addresses the vulnerability by changing the way certain functions handle objects in memory., aka 'Scripting Engine Information Disclosure Vulnerability'.
- Record
GHSA-vvvh-5xrm-pxff- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-vvvh-5xrm-pxff
7.5
ChakraCore information disclosure vulnerability
An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user's computer or data. To exploit the vulnerability, an attacker must know the memory address of where the object was created.The update addresses the vulnerability by changing the way certain functions handle objects in memory., aka 'Scripting Engine Information Disclosure Vulnerability'.
- Record
GHSA-vvvh-5xrm-pxff- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
- microsoft chakracore
- microsoft edge
- microsoft edge (edgehtml-based) on windows 10 version 1709 for 32-bit systems
- microsoft edge (edgehtml-based) on windows 10 version 1709 for arm64-based systems
- microsoft edge (edgehtml-based) on windows 10 version 1709 for x64-based systems
- microsoft edge (edgehtml-based) on windows 10 version 1803 for 32-bit systems
- microsoft edge (edgehtml-based) on windows 10 version 1803 for arm64-based systems
- microsoft edge (edgehtml-based) on windows 10 version 1803 for x64-based systems
- microsoft edge (edgehtml-based) on windows 10 version 1809 for 32-bit systems
- microsoft edge (edgehtml-based) on windows 10 version 1809 for arm64-based systems
- microsoft edge (edgehtml-based) on windows 10 version 1809 for x64-based systems
- microsoft edge (edgehtml-based) on windows 10 version 1903 for 32-bit systems
Show 6 moreShow less
- microsoft edge (edgehtml-based) on windows 10 version 1903 for arm64-based systems
- microsoft edge (edgehtml-based) on windows 10 version 1903 for x64-based systems
- microsoft edge (edgehtml-based) on windows 10 version 1909 for 32-bit systems
- microsoft edge (edgehtml-based) on windows 10 version 1909 for arm64-based systems
- microsoft edge (edgehtml-based) on windows 10 version 1909 for x64-based systems
- microsoft edge (edgehtml-based) on windows server 2019
Affected packages
| Package | Affected | Fixed |
|---|---|---|
Microsoft.ChakraCoreNuGet |
before 1.11.17 | 1.11.17 |
Microsoft.ChakraCoreNuGet |
before 1.11.17, plus listed versions 1.10.01.10.11.10.21.11.01.11.1 Show 45 moreShow less1.11.101.11.111.11.121.11.131.11.141.11.151.11.161.11.21.11.31.11.41.11.51.11.61.11.71.11.81.11.91.2.01.2.11.2.21.2.31.2.6.62716-preview1.3.01.3.11.3.21.4.01.4.11.4.21.4.31.4.41.4.51.5.01.5.11.5.21.5.31.6.01.6.21.7.01.7.11.7.21.7.31.7.41.7.51.7.61.8.01.8.11.8.2 |
1.11.17 |
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-2020-0813 is a high vulnerability (CVSS 7.5) in Microsoft Chakracore, published March 12, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.46%, the 92nd percentile. Fixed in Microsoft.ChakraCore 1.11.17.
References
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0813
nvd.nist.gov/vuln/detail/CVE-2020-0813
github.com/chakra-core/ChakraCore/pull/6385
github.com/chakra-core/ChakraCore/pull/6385/commits/e6abd1d110442e6357351c23a7f882f83e4bbe4d
github.com/advisories/GHSA-vvvh-5xrm-pxff
github.com/chakra-core/ChakraCore
Left out here: 3 versions. The JSON record has them.