Medium severity · published Apr 30, 2026
CVE-2026-40951
Memory corruption in Secure Access Windows clients prior to 14.50
5.5
CVSS
0.1%
EPSS
No
On KEV
Description
CVE-2026-40951 is a memory corruption vulnerability on Secure Access
Windows clients prior to 14.50. Attackers with local control of the
Windows client can send malformed data to an API and trigger a denial of
service.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% 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-2026-40951
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-40951
Vendor Advisory
https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-40951
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6.5
CVE-2026-40950
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