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Absolute Secure Access EUVD-2026-26430

| CVE-2026-40950 HIGH
Stack-based Buffer Overflow (CWE-121)
2026-04-30 Absolute
Buffer Overflow Stack Overflow
7.1
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

7
Patch released
May 01, 2026 - 15:28 nvd
Patch available
Analysis Generated
Apr 30, 2026 - 23:30 vuln.today
Patch available
Apr 30, 2026 - 22:02 EUVD
CVSS changed
Apr 30, 2026 - 21:22 NVD
7.1 (HIGH)
EUVD ID Assigned
Apr 30, 2026 - 20:45 euvd
EUVD-2026-26430
Analysis Generated
Apr 30, 2026 - 20:45 vuln.today
CVE Published
Apr 30, 2026 - 20:19 nvd
HIGH 7.1

DescriptionNVD

CVE-2026-40950 is a buffer overflow vulnerability in the Secure Access server prior to 14.50. Attackers with control of a modified client can send a specially crafted message to the server and cause a denial of service

AnalysisAI

Buffer overflow in Absolute Secure Access server (versions before 14.50) allows authenticated remote attackers with modified client software to crash the server through specially crafted messages. This denial-of-service vulnerability requires low-privilege authentication and presents moderate real-world risk given the client modification prerequisite. …

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RemediationAI

Within 24 hours: inventory all Absolute Secure Access deployments and identify current version numbers. Within 7 days: upgrade all instances to version 14.50 or later per vendor patch release. …

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EUVD-2026-26430 vulnerability details – vuln.today
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