Is CVE-2026-2964 actively exploited?

No active exploitation of CVE-2026-2964 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-2964 be exploited remotely?

Yes. CVE-2026-2964 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-2964?

CVE-2026-2964 has a CVSS score of 9.8 (CRITICAL) and an EPSS exploitation probability of 0.05%.

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CRITICAL

CVE-2026-2964

CWE-94Published: February 23, 2026· Updated: Feb 26, 2026

9.8

CVSS v3.1

EPSS:0.05%probability of exploitation in 30 daysPercentile:14.2th

Official Description

A vulnerability was identified in higuma web-audio-recorder-js 0.1/0.1.1. Impacted is the function extend in the library lib/WebAudioRecorder.js of the component Dynamic Config Handling. Such manipulation leads to improperly controlled modification of object prototype attributes. It is possible to launch the attack remotely. Attacks of this nature are highly complex. The exploitability is considered difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Technical Analysis

CVE-2026-2964 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.