CVE-2026-33446: CVE-2026-33446 is a buffer overflow in the authentication sub-system of the Secure Access client prior to 14.
CVE-2026-33446 is a critical-severity flaw (CVSS 9.8) affecting secure access. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
CVE-2026-33446 is a buffer overflow in the authentication sub-system of the Secure Access client prior to 14.50. Attackers with control of a modified server can send a special packet that can overwrite a small portion of memory conceivably leading to memory corruption or a denial of service.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 79%) |
| CISA exploited list | No |
| Weakness | CWE-120 |
| Published | 2026-04-30 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-33446?
secure access: upgrade to 14.50. Exact commands for each OS are on this page.
Is CVE-2026-33446 being exploited?
CVE-2026-33446 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-33446 affect?
CVE-2026-33446 affects secure access. Severity is critical (CVSS 9.8). CVE-2026-33446 is a buffer overflow in the authentication sub-system of the Secure Access client prior to 14.50. Attackers with control of a modified server can send a special packet that can overwrite a small portion of memory conceivab
How urgent is CVE-2026-33446?
Priority 45/100. Critical severity; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2026-33449 HIGH 7.5 UPGRADE CVE-2026-33449 is a buffer overflow in a message handling function of the Secure Access client prior to 14.50
- CVE-2026-33451 HIGH 7.8 UPGRADE CVE-2026-33451 is an arbitrary read/write vulnerability in the Secure Access Windows client prior to 14.50
- CVE-2026-40950 MEDIUM 6.5 UPGRADE CVE-2026-40950 is a buffer overflow vulnerability in the Secure Access server prior to 14.50
- CVE-2026-33448 LOW 3.3 UPGRADE CVE-2026-33448 is a format string vulnerability in the logging subsystem of Secure Access client for MacOS pr
- CVE-2026-33447 CRITICAL 9.8 UPGRADE CVE-2026-33447 is a buffer overflow in a message parsing function of the Secure Access client prior to 14.50