CVE-2015-2426: Microsoft Windows Adobe Type Manager Library Remote Code Execution Vulnerability

Vulnerability summary

CVE-2015-2426 is a high (CVSS 9.3) vulnerability in Microsoft Windows. It is known to be exploited: CISA lists it, first on 28-03-2022. EPSS estimates a 86.58% chance of exploitation in the next 30 days, higher than 99.7% of scored vulnerabilities. 3 public exploits are recorded.

Timeline

1. 20-07-2015
   PublishedVulnerability first disclosed.
2. 28-03-2022
   Added to CISA KEVMicrosoft Windows Adobe Type Manager Library Remote Code Execution Vulnerability
3. 18-04-2022
   CISA remediation dueApply updates per vendor instructions.
4. 21-10-2025
   Last modifiedVulnerability information updated.

Description

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."

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
• CWE-124Buffer Underwrite ('Buffer Underflow')The product writes to a buffer using an index or pointer that references a memory location prior to the beginning of the buffer.