CVE-2012-4782

critical Microsoft
CVSS v3 Base Score
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS Score
51.4%
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: December 12, 2012 (4902 days ago)
Last Modified: April 29, 2026
Vendor: Microsoft
Source: NVD

Description

Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "CMarkup Use After Free Vulnerability."

CWE

CWE-399

Affected Products

microsoft internet explorer

References

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