CVE-2026-33451

SYSTEM privilege escalation via malformed client API data

Published Apr 30, 2026 · Updated Apr 30, 2026

An arbitrary read/write flaw in the Absolute Secure Access Windows client before 14.50 allows local users to gain SYSTEM privileges. The client accepts malformed data through an unspecified API and performs an incorrect read/write operation; Absolute has not disclosed the API or validation failure. Local control of the Windows client is required, and successful exploitation grants SYSTEM-level control of the affected Windows host.

CVSS severity8.5
High
EPSS probability0.10%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An arbitrary read/write flaw in the Absolute Secure Access Windows client before 14.50 allows local users to gain SYSTEM privileges. The client accepts malformed data through an unspecified API and performs an incorrect read/write operation; Absolute has not disclosed the API or validation failure. Local control of the Windows client is required, and successful exploitation grants SYSTEM-level control of the affected Windows host.

The record

CVE
CVE-2026-33451
Published
Apr 30, 2026
Updated
Apr 30, 2026
Vendor
Absolute Security
Product
Absolute Secure Access
Classifications
CWE-125, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 30, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 30, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <14.50

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Absolute Security · Absolute Secure Accessversion=0 <14.50

Published CVSS scores

7.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.5NetMotion SoftwareCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-125Out-of-bounds Read
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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