#VU5546 Buffer overflow in Windows and Windows Server - CVE-2015-2426
Published: January 31, 2017 / Updated: November 20, 2020
Vulnerability identifier: #VU5546
Vulnerability risk: Critical
CVSSv4.0: 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/E:A/U:Red
CVE-ID: CVE-2015-2426
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Windows
Windows Server
Windows
Windows Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to buffer overflow in Windows Adobe Type Manager library when processing OpenType fonts. A remote attacker can create a specially crafted document or website with embedded malicious OpenType font, trick the victim into opening it, cause memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note: the vulnerability was being actively exploited.
Remediation
Install update from vendor's website.