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CVE-2026-33447

Absolute Secure Access buffer overflow

9.8 CRITICALEPSS 0.44%
  1. Published30 Apr 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Absolute Secure Access< 14.50

Remediation

Fixed in
Absolute Secure Access≥ 14.50

References

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Frequently asked

Is CVE-2026-33447 being actively exploited?

CVE-2026-33447 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.44%.

How severe is CVE-2026-33447?

CVE-2026-33447 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.44% probability of exploitation.

Which products are affected by CVE-2026-33447?

Affected products include Absolute Secure Access.

How do I fix CVE-2026-33447?

Upgrade affected software to a fixed version, for example Absolute Secure Access 14.50 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-33447 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.