Memory corruption in Microsoft Internet Explorer - CVE-2011-1260

Vulnerability identifier: #VU6122

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2011-1260

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: Public exploit is available

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to boundary error related to layout when Internet Explorer attempts to access objects that have not been correctly initialized or have been deleted. A remote attacker can create a specially crafted Web site, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in arbitrary code execution on the vulnerable system.

Microsoft Internet Explorer

Install update from vendor's website.

• Exploit #1123 - Microsoft Internet Explorer - MSHTML!CObjectElement Use-After-Free (MS11-050) (Metasploit) (March 18, 2020)
• Exploit #1669 - MS11-050 IE mshtml!CObjectElement Use After Free (March 18, 2020)

• https://technet.microsoft.com/en-us/library/security/ms11-050.aspx

• Multiple vulnerabilities in Microsoft Internet Explorer