Is CVE-2026-26201 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2026-26201, but active exploitation has not been confirmed.

Can CVE-2026-26201 be exploited remotely?

Yes. CVE-2026-26201 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-26201?

CVE-2026-26201 has a CVSS score of 7.5 (HIGH) and an EPSS exploitation probability of 0.04%.

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HIGHPOC

CVE-2026-26201

CWE-362Published: February 19, 2026· Updated: Feb 26, 2026

7.5

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:10.5th

Official Description

emp3r0r is a C2 designed by Linux users for Linux environments. Prior to version 3.21.2, multiple shared maps are accessed without consistent synchronization across goroutines. Under concurrent activity, Go runtime can trigger `fatal error: concurrent map read and map write`, causing C2 process crash (availability loss). Version 3.21.2 fixes this issue.

NVD Source

Technical Analysis

CVE-2026-26201 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 availability disruption (denial of service), with a CVSS base score of 7.5.

A proof-of-concept (PoC) exploit exists for CVE-2026-26201. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.