microsoft windows-server-2008 CVE-2015-2426 vulnerability in Microsoft Products
Published on July 20, 2015

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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."

Vendor Advisory NVD

Known Exploited Vulnerability

This Microsoft Windows Adobe Type Manager Library Remote Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. A remote code execution vulnerability exists in Microsoft Windows when the Windows Adobe Type Manager Library improperly handles specially crafted OpenType fonts.

The following remediation steps are recommended / required by April 18, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2015-2426 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a buffer underrun Vulnerability?

The software writes to a buffer using an index or pointer that references a memory location prior to the beginning of the buffer. This typically occurs when a pointer or its index is decremented to a position before the buffer, when pointer arithmetic results in a position before the beginning of the valid memory location, or when a negative index is used.

CVE-2015-2426 has been classified to as a buffer underrun vulnerability or weakness.


Products Associated with CVE-2015-2426

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Exploit Probability

EPSS
91.75%
Percentile
99.67%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.