CVE-2012-2523

critical Microsoft
CVSS v3 Base Score
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS Score
64.7%
Exploitation probability in 30 days
Top 2% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
M
Confidentiality
C
Integrity
C
Availability
C
Published: August 15, 2012 (5021 days ago)
Last Modified: April 29, 2026
Vendor: Microsoft
Source: NVD

Description

Integer overflow in Microsoft Internet Explorer 8 and 9, JScript 5.8, and VBScript 5.8 on 64-bit platforms allows remote attackers to execute arbitrary code by leveraging an incorrect size calculation during object copying, aka "JavaScript Integer Overflow Remote Code Execution Vulnerability."

CWE

CWE-189

Affected Products

microsoft internet explorermicrosoft jscriptmicrosoft vbscript

References

🔗 www.us-cert.gov 🔗 docs.microsoft.com 🔗 docs.microsoft.com 🔗 oval.cisecurity.org 🔗 www.us-cert.gov