Microsoft Edge/ChakraCore Scripting Engine access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Microsoft Edge and ChakraCore. Affected is an unknown function of the component Scripting Engine. The manipulation leads to access control. This vulnerability is documented as CVE-2019-0649. The attack can be initiated remotely. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Microsoft Edge and ChakraCore (Web Browser) (affected version not known) and classified as critical. This issue affects some unknown functionality of the component Scripting Engine. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability.

The bug was discovered 02/12/2019. The weakness was released 02/12/2019 with Tencent as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. The public release was coordinated with Microsoft. The identification of this vulnerability is CVE-2019-0649 since 11/26/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/28/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK. The advisory points out:

A vulnerability exists in Microsoft Chakra JIT server. An attacker who successfully exploited this vulnerability could gain elevated privileges.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 91502 (Microsoft Edge Security Update for February 2019).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2022-2768) and SecurityFocus (BID 106934†). Entries connected to this vulnerability are available at VDB-130765, VDB-130766, VDB-130767 and VDB-130768. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 4.2
Vendor Vector (Microsoft): 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

11/26/2018 🔍
02/12/2019 +78 days 🔍
02/12/2019 +0 days 🔍
02/12/2019 +0 days 🔍
02/12/2019 +0 days 🔍
02/13/2019 +1 days 🔍
04/28/2026 +2631 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Organization: Tencent
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2019-0649 (🔍)
GCVE (CVE): GCVE-0-2019-0649
GCVE (VulDB): GCVE-100-130811
EUVD: 🔍
SecurityFocus: 106934 - Microsoft Edge Chakra Scripting Engine CVE-2019-0590 Remote Memory Corruption Vulnerability

See also: 🔍

Entryinfo

Created: 02/13/2019 10:00
Updated: 04/28/2026 10:27
Changes: 02/13/2019 10:00 (73), 05/26/2020 18:12 (6), 07/10/2023 08:10 (4), 04/28/2026 10:27 (15)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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