Is CVE-2016-4335 actively exploited?

No active exploitation of CVE-2016-4335 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2016-4335 be exploited remotely?

No. CVE-2016-4335 requires local access to exploit.

What is the CVSS score of CVE-2016-4335?

CVE-2016-4335 has a CVSS score of 8.4 (HIGH).

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HIGH

CVE-2016-4335

CWE-119Published: January 6, 2017· Updated: Jun 17, 2026

8.4

CVSS v3.1

Official Description

An exploitable buffer overflow exists in the XLS parsing of the Lexmark Perspective Document Filters conversion functionality. A crafted XLS document can lead to a stack based buffer overflow resulting in remote code execution.

NVD Source

Technical Analysis

CVE-2016-4335 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.4.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.