Is CVE-2026-20440 actively exploited?

No active exploitation of CVE-2026-20440 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-20440 be exploited remotely?

No. CVE-2026-20440 requires local access to exploit.

What is the CVSS score of CVE-2026-20440?

CVE-2026-20440 has a CVSS score of 6.7 (MEDIUM).

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MEDIUM

CVE-2026-20440

CWE-1285Published: March 2, 2026· Updated: Mar 3, 2026

6.7

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:4.1th

Official Description

In MAE, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10431968; Issue ID: MSV-5824.

NVD Source

Technical Analysis

CVE-2026-20440 requires local access, meaning attackers must already have a foothold on the target system.

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

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 6.7.