Critical severity · published Apr 30, 2026
CVE-2026-33446
Buffer overflow in client authentication prior to version 14.50
9.8
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SA
Secure Access · Absolute Software
before 14.50 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-33446
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-33446
Vendor Advisory
https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-33446
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