CVE-2026-80112Public exploit

Local privilege escalation via permissive driver device ACL

Published Sep 4, 2026 · Updated Sep 4, 2026

Improper access control in three PassMark products allows local users to perform privileged hardware operations through DirectIo64.sys. DirectIo64.sys creates its device object with IoCreateDevice without an explicit security descriptor, leaving a default ACL that lets unprivileged callers open it and issue restricted IOCTLs. Reachability requires the driver to be loaded without another process holding its exclusive handle; access to its kernel primitives can escalate a standard user to SYSTEM.

CVSS severity7.8
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

Improper access control in three PassMark products allows local users to perform privileged hardware operations through DirectIo64.sys. DirectIo64.sys creates its device object with IoCreateDevice without an explicit security descriptor, leaving a default ACL that lets unprivileged callers open it and issue restricted IOCTLs. Reachability requires the driver to be loaded without another process holding its exclusive handle; access to its kernel primitives can escalate a standard user to SYSTEM.

The record

CVE
CVE-2026-80112
Published
Sep 4, 2026
Updated
Sep 4, 2026
Vendor
PassMark Software
Product
BurnInTest
Classifications
CWE-732, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 4, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 4, 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 <11.1 build 1000

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

PassMark Software · BurnInTestversion=0 <11.1 build 1000
PassMark Software · OSForensicsversion=0 <11.1 build 1016
PassMark Software · PerformanceTestversion=0 <11.1 build 1012

Published CVSS scores

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

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.

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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 exploitPublished

Weakness, pattern, technique

CWE-732Incorrect Permission Assignment for Critical Resource
T1068Exploitation for Privilege Escalation

Public exploit references

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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