CVE-2015-2426

CVE-2015-2426 is a high-severity (CVSS 8.8) vulnerability in Microsoft Windows. CISA added it to the Known Exploited Vulnerabilities catalog on March 28, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by April 18, 2022. CISA does not currently list it as used in ransomware campaigns. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.

Buffer underflow in atmfd.dll in the Windows Adobe Type Manager Library in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via a crafted OpenType font, aka "OpenType Font Driver Vulnerability."

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

• http://blog.trendmicro.com/trendlabs-security-intelligence/a-look-at-the-open-type-font-manager-vulnerability-from-the-hacking-team-leak/
• http://www.kb.cert.org/vuls/id/103336
• http://www.securityfocus.com/bid/75951
• http://www.securitytracker.com/id/1032991
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-078
• https://www.exploit-db.com/exploits/38222/
• http://blog.trendmicro.com/trendlabs-security-intelligence/a-look-at-the-open-type-font-manager-vulnerability-from-the-hacking-team-leak/
• http://www.kb.cert.org/vuls/id/103336