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CVE-2019-0649

Chakra JIT server Privilege Escalation

8.1 HighFix available

A vulnerability exists in Microsoft Chakra JIT server, aka 'Scripting Engine Elevation of Privileged Vulnerability'.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

4.35%Down 2.4 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.1

A vulnerability exists in Microsoft Chakra JIT server, aka 'Scripting Engine Elevation of Privileged Vulnerability'.

Record
CVE-2019-0649
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE List No score

A vulnerability exists in Microsoft Chakra JIT server, aka 'Scripting Engine Elevation of Privileged Vulnerability'.

Record
CVE-2019-0649
Updated
2026-11-02
EUVDEUVD-2022-2768 No score

A vulnerability exists in Microsoft Chakra JIT server, aka 'Scripting Engine Elevation of Privileged Vulnerability'.

Record
EUVD-2022-2768
Updated
2026-11-03
GitHub AdvisoriesGHSA-6c6r-39cv-x5fq 8.1

Chakra JIT server Privilege Escalation

A vulnerability exists in Microsoft Chakra JIT server, aka 'Scripting Engine Elevation of Privileges Vulnerability'.

Record
GHSA-6c6r-39cv-x5fq
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSV 8.1

A vulnerability exists in Microsoft Chakra JIT server, aka 'Scripting Engine Elevation of Privileged Vulnerability'.

Record
CVE-2019-0649
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-6c6r-39cv-x5fq 8.1

Chakra JIT server Privilege Escalation

A vulnerability exists in Microsoft Chakra JIT server, aka 'Scripting Engine Elevation of Privileges Vulnerability'.

Record
GHSA-6c6r-39cv-x5fq
CVSS 3.0
8.1 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
Microsoft.ChakraCore
NuGet
 before 1.11.6
1.11.6
Microsoft.ChakraCore
NuGet
 before 1.11.6, plus listed versions
1.10.01.10.11.10.21.11.01.11.1
Show 37 moreShow less
1.11.21.11.31.11.41.11.51.2.01.2.11.2.21.2.31.2.6.62716-preview1.3.01.3.11.3.21.4.01.4.11.4.21.4.31.4.41.4.51.5.01.5.11.5.21.5.31.6.01.6.21.7.01.7.11.7.21.7.31.7.41.7.51.7.61.8.01.8.11.8.21.8.31.8.41.8.5
1.11.6

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-0649 is a high vulnerability (CVSS 8.1) in Microsoft Chakracore, published March 5, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.35%, the 91st percentile. Fixed in Microsoft.ChakraCore 1.11.6.

References

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