Is CVE-2026-4562 actively exploited?

No active exploitation of CVE-2026-4562 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-4562 be exploited remotely?

Yes. CVE-2026-4562 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-4562?

CVE-2026-4562 has a CVSS score of 7.3 (HIGH).

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HIGH

CVE-2026-4562

CWE-287Published: March 23, 2026· Updated: Mar 23, 2026

7.3

CVSS v3.1

EPSS:0.08%probability of exploitation in 30 daysPercentile:23.9th

Official Description

A security flaw has been discovered in MacCMS 2025.1000.4052. This affects an unknown part of the file application/api/controller/Timming.php of the component Timming API Endpoint. The manipulation results in missing authentication. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.

NVD Source

Technical Analysis

CVE-2026-4562 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

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

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.