Is CVE-2026-0123 actively exploited?

No active exploitation of CVE-2026-0123 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-0123 be exploited remotely?

No. CVE-2026-0123 requires local access to exploit.

What is the CVSS score of CVE-2026-0123?

CVE-2026-0123 has a CVSS score of 8.4 (HIGH).

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HIGH

CVE-2026-0123

CWE-787Published: March 10, 2026· Updated: Mar 11, 2026

8.4

CVSS v3.1

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

Official Description

In EfwApTransport::ProcessRxRing of efw_ap_transport.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

NVD Source

Technical Analysis

CVE-2026-0123 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-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.