Is CVE-2026-8201 actively exploited?

No active exploitation of CVE-2026-8201 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-8201 be exploited remotely?

Yes. CVE-2026-8201 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-8201?

CVE-2026-8201 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2026-8201

CWE-416Published: May 13, 2026· Updated: May 13, 2026

8.8

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:7.8th

Official Description

A use-after-free vulnerability exists in MongoDB's Field-Level Encryption (FLE) query analysis component, affecting client-side uses of mongocryptd and crypt_shared. Triggering this vulnerability requires control over the structure of a client's FLE-related query.

This issue impacts MongoDB Server’s mongocryptd component v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2.

NVD Source

Technical Analysis

CVE-2026-8201 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low 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 8.8.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.