Vulnerability · Published Apr 30, 2026 · Assigned by Absolute
CVE-2026-40949Buffer overflow in Windows clients prior to 14.50
Medium 6.8
In plain English
A medium-severity stack buffer overflow in Secure Access from Absolute Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).
Severity (CVSS 4.0)6.8Medium
Exploit odds (30 days)0.1%top 99.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Absolute Software | Secure Access | 0 – before 14.50 |
Weakness: CWE-121 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N