Is CVE-2026-5236 actively exploited?

No active exploitation of CVE-2026-5236 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5236 be exploited remotely?

No. CVE-2026-5236 requires local access to exploit.

What is the CVSS score of CVE-2026-5236?

CVE-2026-5236 has a CVSS score of 5.3 (MEDIUM).

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MEDIUM

CVE-2026-5236

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

5.3

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:0.3th

Official Description

A vulnerability was identified in Axiomatic Bento4 up to 1.6.0-641. Affected is the function AP4_BitReader::SkipBits of the file Ap4Dac4Atom.cpp of the component DSI v1 Parser. Such manipulation of the argument n_presentations leads to heap-based buffer overflow. The attack needs to be performed locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

NVD Source

Technical Analysis

CVE-2026-5236 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.