“Use-after-free” error in Microsoft Windows and Windows Server - CVE-2015-1726

Vulnerability identifier: #VU5389

CSH Severity: High

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2015-1726

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: Public exploit is available

The vulnerability allows a local attacker to obtain elevated privileges on the target system.

The weakness exists due to use-after-free error. A local attacker can run a specially crafted program to trigger memory corruption and acquire administrative privileges.

Successful exploitation of the vulnerability results in privilege escalation on the vulnerable system.

Microsoft Windows
Windows Server

Install update from vendor's website.

• Exploit #920 - Microsoft Windows Kernel - HmgAllocateObjectAttr Use-After-Free (MS15-061) (March 18, 2020)

• https://technet.microsoft.com/en-us/library/security/ms15-061

• Multiple vulnerabilities in Microsoft Windows
• Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege