Is CVE-2026-33447 actively exploited?

No active exploitation of CVE-2026-33447 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-33447 be exploited remotely?

Yes. CVE-2026-33447 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-33447?

CVE-2026-33447 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2026-33447

Published: April 30, 2026· Updated: May 5, 2026

9.8

CVSS v3.1

EPSS:0.05%probability of exploitation in 30 daysPercentile:14.8th

Official Description

CVE-2026-33447 is a buffer overflow in a message parsing function of the

Secure Access client prior to 14.50. Attackers with control of a

modified server can send a special packet that can overwrite a small

portion of memory conceivably leading to memory corruption or denial of

service.

NVD Source

Technical Analysis

CVE-2026-33447 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.