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Stack-based Buffer Overflow

CVE-2026-40949

Medium
6.8/10

Summary

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.

  • LOW
  • LOCAL
  • NONE
  • UNCHANGED
  • NONE
  • HIGH
  • NONE
  • HIGH

CWE-121 - Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

References

Advisory Timeline

  • Published