// For flags

CVE-2018-8236

Microsoft Chakra Typed Array Use-After-Free Information Disclosure Vulnerability

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A remote code execution vulnerability exists when Microsoft Edge improperly accesses objects in memory, aka "Microsoft Edge Memory Corruption Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8110, CVE-2018-8111.

Existe una vulnerabilidad de ejecución remota de código cuando Microsoft Edge accede incorrectamente a los objetos en la memoria. Esto también se conoce como "Microsoft Edge Memory Corruption Vulnerability". Esto afecta a Microsoft Edge. El ID de este CVE es diferente de CVE-2018-8110 y CVE-2018-8111.

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Microsoft Chakra. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the handling of typed arrays in JavaScript. By performing actions in JavaScript, an attacker can cause a typed array object to be accessed after it is no longer in a usable state. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.

*Credits: Chakra
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
High
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
Attack Vector
Network
Attack Complexity
High
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2018-03-14 CVE Reserved
  • 2018-06-13 CVE Published
  • 2024-08-05 CVE Updated
  • 2024-09-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Microsoft
Search vendor "Microsoft"
Edge
Search vendor "Microsoft" for product "Edge"
--
Affected
in Microsoft
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Windows 10
Search vendor "Microsoft" for product "Windows 10"
--
Safe
Microsoft
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Edge
Search vendor "Microsoft" for product "Edge"
--
Affected
in Microsoft
Search vendor "Microsoft"
Windows 10
Search vendor "Microsoft" for product "Windows 10"
1607
Search vendor "Microsoft" for product "Windows 10" and version "1607"
-
Safe
Microsoft
Search vendor "Microsoft"
Edge
Search vendor "Microsoft" for product "Edge"
--
Affected
in Microsoft
Search vendor "Microsoft"
Windows 10
Search vendor "Microsoft" for product "Windows 10"
1703
Search vendor "Microsoft" for product "Windows 10" and version "1703"
-
Safe
Microsoft
Search vendor "Microsoft"
Edge
Search vendor "Microsoft" for product "Edge"
--
Affected
in Microsoft
Search vendor "Microsoft"
Windows 10
Search vendor "Microsoft" for product "Windows 10"
1709
Search vendor "Microsoft" for product "Windows 10" and version "1709"
-
Safe
Microsoft
Search vendor "Microsoft"
Edge
Search vendor "Microsoft" for product "Edge"
--
Affected
in Microsoft
Search vendor "Microsoft"
Windows 10
Search vendor "Microsoft" for product "Windows 10"
1803
Search vendor "Microsoft" for product "Windows 10" and version "1803"
-
Safe
Microsoft
Search vendor "Microsoft"
Edge
Search vendor "Microsoft" for product "Edge"
--
Affected
in Microsoft
Search vendor "Microsoft"
Windows Server 2016
Search vendor "Microsoft" for product "Windows Server 2016"
--
Safe