// For flags

CVE-2017-8659

Microsoft Chakra JIT Server Out-Of-Bounds Write

Severity Score

4.3
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Microsoft Edge in Microsoft Windows 10 1703 allows an attacker to obtain information to further compromise the user's system due to the Chakra scripting engine not properly handling objects in memory, aka "Scripting Engine Information Disclosure Vulnerability".

Microsoft Edge en Microsoft Windows 10 1703 permite que un atacante obtenga información para compromete aún más la seguridad del sistema del usuario debido a que el motor de scripting Chakra no gestiona correctamente los objetos en la memoria. Esto también se conoce como "Scripting Engine Information Disclosure Vulnerability".

The Microsoft Chakra JIT server suffers from an out-of-bounds write when processing a Js::OpCode::ProfiledLoopStart opcode.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2017-05-03 CVE Reserved
  • 2017-08-08 CVE Published
  • 2024-09-16 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
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
Search vendor "Microsoft"
Windows 10
Search vendor "Microsoft" for product "Windows 10"
1703
Search vendor "Microsoft" for product "Windows 10" and version "1703"
-
Safe