CVE-2026-40951

Memory corruption in Secure Access Windows clients prior to 14.50

Published Apr 30, 2026 CVSS 4.0 · 6.8 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows
CPEs cpe:2.3:a:absolute:secure_access:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Type Values Removed Values Added
Weaknesses CWE-400
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Absolute
Absolute secure Access
Vendors & Products Absolute
Absolute secure Access
Type Values Removed Values Added
Weaknesses CWE-416
Type Values Removed Values Added
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.
Title Memory corruption in Secure Access Windows clients prior to 14.50
References
Metrics cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Absolute
Published
Updated
May 1, 2026, 2:29 PM
Reserved
Apr 16, 2026, 12:19 AM
Status
Analyzed
Published
Apr 30, 2026, 9:16 PM
Modified
Oct 26, 2026, 9:10 PM