CVE-2026-40949

Buffer overflow in Windows clients prior to 14.50

Medium · published April 30, 2026

CVSS v4.0
6.8
EPSS
0%
Percentile
3.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.8 · MEDIUM
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
EPSS
0.00142 · 3.2th percentile
Published
2026-04-30T20:16Z
EPSS history
Timeline
  • 30 APR 20:16Z
    Buffer overflow in Windows clients prior to 14.50
    cvelistv5