CVE-2026-40949: is a buffer overflow vulnerability in the Secure Access Windows client prior to 14.50. Attackers with local control of the

CVE-2026-40949 · Severity: medium · CVSS 4.4 · Published 2026-04-30

CVE-2026-40949 is a buffer overflow vulnerability in the Secure Access Windows client prior to 14.50. Attackers with local control of the Windows client can use it to trigger a denial of service.

Technologies: Absolute Secure Access, Microsoft Windows. Vendors: Absolute, Microsoft.

Quick answers

Is CVE-2026-40949 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-40949 being exploited in the wild.
How severe is CVE-2026-40949?
Medium severity, with a CVSS score of 4.4, published 30 April 2026.
Which products and versions are affected?
Absolute Secure Access, Microsoft Windows. The advisory does not name versions.
Is there a fix for CVE-2026-40949?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-40949?
Check whether you run Absolute Secure Access or Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Absolute Secure Access
  • Microsoft Windows

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