Is CVE-2023-29486 actively exploited?

No active exploitation of CVE-2023-29486 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-29486 be exploited remotely?

Yes. CVE-2023-29486 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-29486?

CVE-2023-29486 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-29486

CWE-1333Published: December 21, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

An issue was discovered in Heimdal Thor agent versions 3.4.2 and before 3.7.0 on Windows, allows attackers to bypass USB access restrictions, execute arbitrary code, and obtain sensitive information via Next-Gen Antivirus component. NOTE: Heimdal argues that the limitation described here is a Microsoft Windows issue, not a Heimdal specific vulnerability. The USB control solution by Heimdal is meant to manage Microsoft Windows native USB restrictions. They maintain that their solution functions as a management layer over Windows settings and is not to blame for limitations in Windows' detection capabilities.

NVD Source

Technical Analysis

CVE-2023-29486 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.

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 9.8.