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

Source: https://junglewise.ai/threats/cve-2026-40949-is-a-buffer-overflow-vulnerability-in-the-secure-access-windows  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-30  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/absolute-secure-access), [Microsoft Windows](https://junglewise.ai/threats/technologies/windows). Vendors: [Absolute](https://junglewise.ai/threats/vendors/absolute), [Microsoft](https://junglewise.ai/threats/vendors/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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