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CVE-2026-80119

PassMark PerformanceTest, BurnInTest, and OSForensics Physical Memory Disclosure via DirectIo64.sys IOCTL

Published: Sep 4, 2026Updated: Sep 4, 2026 Sources: CVE List NVDCWE-73
7.8HIGH
NVD MITRE
EPSS Score
0.1%
Top 97.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

PassMark PerformanceTest before 11.1 build 1012, BurnInTest before 11.1 build 1000, and OSForensics before 11.1 build 1016 contain an information disclosure vulnerability in DirectIo64.sys that allows unauthenticated local attackers to dump complete physical memory contents by supplying a caller-controlled file path to an exposed IOCTL. Attackers can issue a single IOCTL call to trigger the driver to iterate all physical memory ranges via MmGetPhysicalMemoryRanges and map each page through ZwMapViewOfSection on the PhysicalMemory section object, writing a full RAM image to an attacker-specified path in the SYSTEM context, bypassing user-mode ACLs and exposing LSASS working set, process memory, and cryptographic material from all running processes.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-73CWE-497

Affected Products

PassMark Software
PerformanceTest
BurnInTest
OSForensics

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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References

https://dkom.dev/posts/directio64-disclosure/
dkom.dev
https://github.com/floppywiggler/directio64-disclosure
github.com
https://www.osforensics.com/whats-new.html
osforensics.com
and 3 more references View all →

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