CVE-2011-0663

high Microsoft
CVSS v3 Base Score
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
27.9%
Exploitation probability in 30 days
Top 4% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Published: April 13, 2011 (5510 days ago)
Last Modified: April 29, 2026
Vendor: Microsoft
Source: NVD

Description

Multiple integer overflows in the Microsoft (1) JScript 5.6 through 5.8 and (2) VBScript 5.6 through 5.8 scripting engines allow remote attackers to execute arbitrary code via a crafted web page, aka "Scripting Memory Reallocation Vulnerability."

CWE

CWE-189

Affected Products

microsoft jscriptmicrosoft vbscript

References