Is CVE-2026-5235 actively exploited?

No active exploitation of CVE-2026-5235 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5235 be exploited remotely?

No. CVE-2026-5235 requires local access to exploit.

What is the CVSS score of CVE-2026-5235?

CVE-2026-5235 has a CVSS score of 5.3 (MEDIUM).

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MEDIUM

CVE-2026-5235

CWE-119Published: March 31, 2026· Updated: Apr 1, 2026

5.3

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:2.0th

Official Description

A vulnerability was determined in Axiomatic Bento4 up to 1.6.0-641. This impacts the function AP4_BitReader::ReadCache of the file Ap4Dac4Atom.cpp of the component MP4 File Parser. This manipulation causes heap-based buffer overflow. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

NVD Source

Technical Analysis

CVE-2026-5235 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

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